-ORY -o*ry. Etym: [L. -orius: cf. F. -oire.]
1. An adjective suffix meaning of or pertaining to, serving for; as in auditory, pertaining to or serving for hearing; prohibitory, amendatory, etc.
2. Etym: [L. -orium: cf. F. -oire.]
Defn: A noun suffix denoting that which pertains to, or serves for; as in ambulatory, that which serves for walking; consistory, factory, etc.
ORYAL; ORYALLO"ry*al, O"ry*all, n.
Defn: See Oriel.
ORYCTEREOr"yc*tere, n. Etym: [Gr. oryctère.] (Zoöl.)
Defn: The aard-vark.
ORYCTEROPEO*ryc"ter*ope, n. Etym: [Gr. (Zoöl.)
Defn: Same as Oryctere.
ORYCTOGNOSYOr`yc*tog"no*sy, n. Etym: [Gr.
Defn: Mineralogy. [Obs.] — Or`yc*tog*nos"tic, a.— Or`yc*tog*nos"tic*al, a. [Obs.] — Or`yc*tog*nos"tic*al*ly, adv.[Obs.]
ORYCTOGRAPHYOr`yc*tog"ra*phy, n. Etym: [Gr. -graphy.]
Defn: Description of fossils. [Obs.]
ORYCTOLOGICALOr`yc*to*log"ic*al, a. Etym: [Cf. F. oryctologique.]
Defn: Of or pertaining to oryctology. [Obs.]
ORYCTOLOGISTOr`yc*tol"o*gist, n.
Defn: One versed in oryctology. [Obs.]
ORYCTOLOGYOr`yc*tol"o*gy, n. Etym: [Gr. -logy: cf. F. oryctologie.]
1. An old name for paleontology.
2. An old name for mineralogy and geology.
ORYXO"ryx, n. Etym: [NL., from Gr. (Zoöl.)
Defn: A genus of African antelopes which includes the gemsbok, the leucoryx, the bisa antelope (O. beisa), and the beatrix antelope (O. beatrix) of Arabia.
ORYZAO*ry"za, n. Etym: [L., rice, Gr. Rice.] (Bot.)
Defn: A genus of grasses including the rice plant; rice.
OSOs, n.; pl. Ossa. Etym: [L.]
Defn: A bone.
OSOs, n.; pl. Ora. Etym: [L.]
Defn: A mouth; an opening; an entrance.
OSOs, n.; pl. Osar. Etym: [Sw. ås ridge, chain of hills, pl. åsar.](Geol.)
Defn: One of the ridges of sand or gravel found in Sweden, etc., supposed by some to be of marine origin, but probably formed by subglacial waters. The osar are similar to the kames of Scotland and the eschars of Ireland. See Eschar.
OSAGE ORANGEO"sage or"ange. (Bot.)
Defn: An ornamental tree of the genus Maclura (M. aurantiaca), closely allied to the mulberry (Morus); also, its fruit. The tree was first found in the country of the Osage Indians, and bears a hard and inedible fruit of an orangelike appearance. See Bois d'arc.
OSAGESO*sa"ges, n. pl.; sing. Osage (. (Ethnol.)
Defn: A tribe of southern Sioux Indians, now living in the IndianTerritory.
OSANNEO*san"ne, n.
Defn: Hosanna. [Obs.] Chaucer.
OSARO"sar, n. pl. (Geol.)
Defn: See 3d Os.
OSCANOs"can, a.
Defn: Of or pertaining to the Osci, a primitive people of Campania, a province of ancient Italy. — n.
Defn: The language of the Osci.
OSCILLANCYOs"cil*lan*cy, n.
Defn: The state of oscillating; a seesaw kind of motion. [R.]
OSCILLARIAOs`cil*la"ri*a, n. Etym: [NL., fr. L. oscillare to swing.] (Bot.)
Defn: A genus of dark green, or purplish black, filamentous, fresh- water algæ, the threads of which have an automatic swaying or crawling motion. Called also Oscillatoria.
OSCILLATE Os"cil*late, v. i. [imp. & p. p. Oscillated; p. pr. & vb. n. Oscillating.] Etym: [L. oscillare to swing, fr. oscillum a swing, a little mask or puppet made to be hung from trees and swing in the wind, prob. orig., a little mouth, a dim. from os mouth. See Oral, and cf. Osculate.]
1. To move backward and forward; to vibrate like a pendulum; to swing; to sway.
2. To vary or fluctuate between fixed limits; to act or move in a fickle or fluctuating manner; to change repeatedly, back and forth. The amount of superior families oscillates rather than changes, that is, it fluctuates within fixed limits. Dc Quincey.
OSCILLATINGOs"cil*la`ting, a.
Defn: That oscillates; vibrating; swinging. Oscillating engine, a steam engine whose cylinder oscillates on trunnions instead of being permanently fixed in a perpendicular or other direction. Weale.
OSCILLATING CURRENTOs"cil*lat`ing current. (Elec.)
Defn: A current alternating in direction.
OSCILLATIONOs`cil*la"tion, n. Etym: [L. oscillatio a swinging.]
1. The act of oscillating; a swinging or moving backward and forward, like a pendulum; vibration.
2. Fluctuation; variation; change back and forth. His mind oscillated, undoubtedly; but the extreme points of the oscillation were not very remote. Macaulay. Axis of oscillation, Center of oscillation. See under Axis, and Center.
OSCILLATIVEOs"cil*la*tive, a.
Defn: Tending to oscillate; vibratory. [R.] I. Taylor.
OSCILLATOR Os"cil*la`tor, n. One that oscillates; specif.: (a) (Elec.)
Defn: Any device for producing electric oscillations; esp., an apparatus for generating electric waves in a system of wireless telegraphy. (b) (Mech.) An instrument for measuring rigidity by the torsional oscillations of a weighted wire.
OSCILLATORIAOs`cil*la*to"ri*a, n. pl. Etym: [NL. See Oscillatory.] (Bot.)
Defn: Same as Oscillaria.
OSCILLATORYOs"cil*la*to*ry, a. Etym: [Cf. F. oscillatoire. See Oscillate.]
Defn: Moving, or characterized by motion, backward and forward like a pendulum; swinging; oscillating; vibratory; as, oscillatory motion.
OSCILLOGRAMOs"cil*lo*gram, n. [L. oscillare + -gram.] (Elec.)
Defn: An autographic record made by an oscillograph.
OSCILLOGRAPHOs"cil*lo*graph, n. [L. oscillare to swing + -graph.] (Elec.)
Defn: An apparatus for recording or indicating alternating-current wave forms or other electrical oscillations, usually consisting of a galvanometer with strong field, in which the mass of the moving part is very small and frequency of vibration very high. — Os`cil*lo*graph"ic (#), a.
OSCILLOMETEROs`cil*lom"e*ter, n. [L. oscillare to swing + -meter.]
Defn: An instrument for measuring the angle through which a ship rolls or pitches at sea.
OSCILLOSCOPEOs*cil"lo*scope, n. [L. oscillare to swing + -scope.] (Elec.)
Defn: An instrument for showing visually the changes in a varying current; an oscillograph.
OSCINEOs"cine, a. (Zoöl.)
Defn: Relating to the Oscines.
OSCINESOs"ci*nes, n. pl. Etym: [L. oscen, -inis.] (Zoöl.)
Defn: Singing birds; a group of the Passeres, having numerous syringeal muscles, conferring musical ability.
OSCINIANOs*cin"i*an, n. (Zoöl.)
Defn: One of the Oscines, or singing birds.
OSCINIANOs*cin"i*an, n. (Zoöl.)
Defn: Any one of numerous species of dipterous files of the familyOscinidæ.
Note: Some, whose larvæ live in the stalks, are very destructive to barley, wheat, and rye; others, as the barley fly (Oscinis frit), destroy the heads of grain.
OSCININEOs"ci*nine, a. (Zoöl.)
Defn: Of or pertaining to the Oscines.
OSCITANCYOs"ci*tan*cy, n. Etym: [See Oscitant.]
1. The act of gaping or yawning.
2. Drowsiness; dullness; sluggishness. Hallam. It might proceed from the oscitancy of transcribers. Addison.
OSCITANT Os"ci*tant, a. Etym: [L. oscitans, -antis, p. pr. of oscitare: cf. F. oscitant.]
1. Yawning; gaping.
2. Sleepy; drowsy; dull; sluggish; careless. He must not be oscitant, but intent on his charge. Barrow.
OSCITANTLYOs"ci*tant*ly, adv.
Defn: In an oscitant manner.
OSCITATE Os"ci*tate, v. i. Etym: [L. oscitare; os the mouth + citare, v. intens. fr. ciere to move.]
Defn: To gape; to yawn.
OSCITATIONOs`ci*ta"tion, n. Etym: [L. oscitatio: cf. F. oscitation.]
Defn: The act of yawning or gaping. Addison.
OSCULANT Os"cu*lant, a. Etym: [L. osculans, -antis, p. pr. of osculari to kiss. See Osculate.]
1. Kissing; hence, meeting; clinging.
2. (Zoöl.)
Defn: Adhering closely; embracing; — applied to certain creeping animals, as caterpillars.
3. (Biol.)
Defn: Intermediate in character, or on the border, between two genera, groups, families, etc., of animals or plants, and partaking somewhat of the characters of each, thus forming a connecting link; interosculant; as, the genera by which two families approximate are called osculant genera.
OSCULATEOs"cu*late, v. t. [imp. & p. p. Osculated; p. pr. & vb. n.Osculating.] Etym: [L. osculatus, p. p. of osculari to kiss, fr.osculum a little mouth, a kiss, dim. of os mouth. See Oral, and cf.Oscillate.]
1. To kiss.
2. (Geom.)
Defn: To touch closely, so as to have a common curvature at the point of contact. See Osculation, 2.
OSCULATEOs"cu*late, v. i.
1. To kiss one another; to kiss.
2. (Geom.)
Defn: To touch closely. See Osculation, 2.
3. (Biol.)
Defn: To have characters in common with two genera or families, so as to form a connecting link between them; to interosculate. See Osculant.
OSCULATIONOs`cu*la"tion, n. Etym: [L. osculatio a kissing: cf. F. osculation.]
1. The act of kissing; a kiss.
2. (Geom.)
Defn: The contact of one curve with another, when the number of consecutive points of the latter through which the former passes suffices for the complete determination of the former curve. Brande & C.
OSCULATORYOs"cu*la*to*ry, a.
1. Of or pertaining to kissing; kissing. "The osculatory ceremony." Thackeray.
2. (Geom.)
Defn: Pertaining to, or having the properties of, an osculatrix; capable of osculation; as, a circle may be osculatory with a curve, at a given point. Osculatory circle. (Geom.) See Osculating circle of a curve, under Circle. — Osculatory plane (to a curve of double curvature), a plane which passes through three successive points of the curve. — Osculatory sphere (to a line of double curvature), a sphere passing through four consecutive points of the curve.
OSCULATORYOs"cu*la*to*ry, n. Etym: [LL. osculatorium. See Osculate.] (R. C.Ch.)
Defn: Same as Pax, 2.
OSCULATRIXOs`cu*la"trix, n.; pl. Osculatrixes. Etym: [NL.] (Geom.)
Defn: A curve whose contact with a given curve, at a given point, is of a higher order (or involves the equality of a greater number of successive differential coefficients of the ordinates of the curves taken at that point) than that of any other curve of the same kind.
OSCULEOs"cule, n. Etym: [Cf. F. oscule. See Osculum.] (Zoöl.)
Defn: One of the excurrent apertures of sponges.
OSCULUMOs"cu*lum, n.; pl. Oscula. Etym: [L., a little mouth.] (Zoöl.)
Defn: Same as Oscule.
-OSE -ose. Etym: [L. -osus: cf. F. -ose. Cf. -ous.]
1. A suffix denoting full of, containing, having the qualities of, like; as in verbose, full of words; pilose, hairy; globose, like a globe.
2. (Chem.)
Defn: A suffix indicating that the substance to the name of wich it is affixed is a member of the carbohydrate group; as in cellulose, sucrose, dextrose, etc.
OSIER O"sier, n. Etym: [F. osier: cf. Prov. F. oisis, Armor. ozil, aozil, Gr. vitex, and E. withy.] (Bot.) (a) A kind of willow (Salix viminalis) growing in wet places in Europe and Asia, and introduced into North America. It is considered the best of the willows for basket work. The name is sometimes given to any kind of willow. (b) One of the long, pliable twigs of this plant, or of other somilar plants. The rank of osiers by the murmuring stream. Shak. Osier bed, or Osier holt, a place where willows are grown for basket making. [Eng.] — Red osier. (a) A kind of willow with reddish twigs (Salix rubra). (b) An American shrub (Cornus stolonifera) which has slender red branches; — also called osier cornel.
OSIERO"sier, a.
Defn: Made of osiers; composed of, or containing, osiers. "This osier cage of ours." Shak.
OSIEREDO"siered, a.
Defn: Covered or adorned with osiers; as, osiered banks. [Poetic]Collins.
OSIERYO"sier*y, n.
Defn: An osier bed.
OSIRISO*si"ris, n. Etym: [L., fr. Gr. (Myth.)
Defn: One of the principal divinities of Egypt, the brother andhusband of Isis. He was figured as a mummy wearing the royal cap ofUpper Egypt, and was symbolized by the sacred bull, called Apis. Cf.Serapis.— O*sir"i*an, a.
OSMANLIOs"man*li, n.; pl. Osmanlis. Etym: [So called from Osman. SeeOttoman.]
Defn: A Turkish official; one of the dominant tribe of Turks; loosely, any Turk.
OSMATEOs"mate, n. (Chem.)
Defn: A salt of osmic acid. [Formerly written also osmiate.]
OSMATERIUMOs`ma*te"ri*um, n.; pl. Osmateria. Etym: [NL., fr. Gr. (Zoöl.)
Defn: One of a pair of scent organs which the larvæ of certain butterflies emit from the first body segment, either above or below.
OSMAZOMEOs"ma*zome, n. Etym: [Gr. osmazôme.] (Old Chem.)
Defn: A substance formerly supposed to give to soup and broth their characteristic odor, and probably consisting of one or several of the class of nitrogenous substances which are called extractives.
OSMIAMATEOs`mi*am"ate, n. (Chem.)
Defn: A salt of osmiamic acid.
OSMIAMICOs`mi*am"ic, a. Etym: [Osmium + amido.] (Chem.)
Defn: Of, pertaining to, or designating, a nitrogenous acid of osmium, H2N2Os2O5, forming a well-known series of yellow salts.
OSMICOs"mic, a. (Chem.)
Defn: Pertaining to, derived from, or containing, osmium; specifically, designating those compounds in which it has a valence higher than in other lower compounds; as, osmic oxide. Osmic acid. (Chem.) (a) Osmic tetroxide. [Obs.] (b) Osmic acid proper, an acid analogous to sulphuric acid, not known in the free state, but forming a well-known and stable series of salts (osmates), which were formerly improperly called osmites. — Osmic tetroxide (Chem.), a white volatile crystalline substance, OsO4, the most stable and characteristic of the compounds of osmium. It has a burning taste, and gives off a vapor, which is a powerful irritant poison, violently attacking the eyes, and emitting a strong chlorinelike odor. Formerly improperly called osmic acid.
OSMIDROSISOs`mi*dro"sis, n. Etym: [NL., from Gr. (Med.)
Defn: The secretion of fetid sweat.
OSMIOUSOs"mi*ous, a. (Chem.)
Defn: Denoting those compounds of osmium in which the element has a valence relatively lower than in the osmic compounds; as, osmious chloride. [Written also osmous.] Osmious acid (Chem.), an acid derived from osmium, analogous to sulphurous acid, and forming unstable salts. It is a brown amorphous substance.
OSMITEOs"mite, n. (Chem.)
Defn: A salt of osmious acid.
OSMIUMOs"mi*um, n. Etym: [Gr. Odor.] (Chem.)
Defn: A rare metallic element of the platinum group, found native as an alloy in platinum ore, and in iridosmine. It is a hard, infusible, bluish or grayish white metal, and the heaviest substance known. Its tetroxide is used in histological experiments to stain tissues. Symbol Os. Atomic weight 191.1. Specific gravity 22.477.
OSMOGENEOs"mo*gene, n. [Osmose + root of Gr. race.]
Defn: An apparatus, consisting of a number of cells whose sides are of parchment paper, for conducting the process of osmosis. It is used esp. in sugar refining to remove potassium salts from the molasses.
OSMOGRAPHOs"mo*graph, n. [Osmose + -graph.] (Physics)
Defn: An instrument for recording the height of the liquid in an endosmometer or for registering osmotic pressures.
OSMOMETEROs*mom"e*ter, n. Etym: [Gr. -meter.] (Physics)
Defn: An instrument for measuring the amount of osmotic action in different liquids.
OSMOMETRYOs*mom"e*try, n. (Physics)
Defn: The study of osmose by means of the osmometer.
OSMOSE Os"mose, n. Etym: [Gr. (Chemical Physics) (a) The tendency in fluids to mix, or become equably diffused, when in contact. It was first observed between fluids of differing densities, and as taking place through a membrane or an intervening porous structure. The more rapid flow from the thinner to the thicker fluid was then called endosmose, and the opposite, slower current, exosmose. Both are, however, results of the same force. Osmose may be regarded as a form of molecular attraction, allied to that of adhesion. (b) The action produced by this tendency. Electric osmose, or Electric endosmose (Elec.), the transportation of a liquid through a porous septum by the action of an electric current.
OSMOSISOs*mo"sis, n. Etym: [NL.]
Defn: Osmose.
OSMOTICOs*mot"ic, a.
Defn: Pertaining to, or having the property of, osmose; as, osmotic force.
OSMUNDOs"mund, n. (Bot.)
Defn: A fern of the genus Osmunda, or flowering fern. The most remarkable species is the osmund royal, or royal fern (Osmunda regalis), which grows in wet or boggy places, and has large bipinnate fronds, often with a panicle of capsules at the top. The rootstock contains much starch, and has been used in stiffening linen.
OSNABURGOs"na*burg, n.
Defn: A species of coarse linen, originally made in Osnaburg,Germany.
OSO-BERRYO"so-ber`ry, n. (Bot.)
Defn: The small, blueblack, drupelike fruit of the Nuttallia cerasiformis, a shrub of Oregon and California, belonging to the Cherry tribe of Rosaceæ.
OSPHRADIUMOs*phra"di*um, n.; pl. Osphradia. Etym: [NL., fr. Gr. (Zoöl.)
Defn: The olfactory organ of some Mollusca. It is connected with the organ of respiration.
OSPREY; OSPRAY Os"prey, Os"pray, n. Etym: [Through OF. fr. L. ossifraga (orig., the bone breaker); prob. influenced by oripelargus (mountain stork, a kind of eagle, Gr. orpres, and F. orfraie. See Ossifrage.] (Zoöl.)
Defn: The fishhawk.
OSSOss, v. i. Etym: [See Osse, n.]
Defn: To prophesy; to presage. [R. & Obs.] R. Edgeworth.
OSSEOsse, n. Etym: [Gr.
Defn: A prophetic or ominous utterance. [R. & Obs.] Holland.
OSSEANOs"se*an, n. (Zoöl.)
Defn: A fish having a bony skeleton; a teleost.
OSSEINOs"se*in, n. Etym: [L. os bone.] (Physiol. Chem.)
Defn: The organic basis of bone tissue; the residue after removal of the mineral matters from bone by dilute acid; in embryonic tissue, the substance in which the mineral salts are deposited to form bone; — called also ostein. Chemically it is the same as collagen.
OSSELETOs"se*let, n. Etym: [F.]
1. A little bone.
2. (Zoöl.)
Defn: The internal bone, or shell, of a cuttlefish.
OSSEOUS Os"se*ous, a. Etym: [L. osseus, from os, ossis bone; akin to Gr. asthi. Cf. Oyster.]
Defn: Composed of bone; resembling bone; capable of forming bone; bony; ossific.
OSSETEROs"se*ter, n. Etym: [Russ, osetr' sturgeon.] (Zoöl.)
Defn: A species of sturgeon.
OSSIANICOs`si*an"ic, a.
Defn: Of or pertaining to, or characteristic of, Ossian, a legendaryErse or Celtic bard.The compositions might be fairly classed as Ossianic. G. Eliot.
OSSICLEOs"si*cle, n. Etym: [L. ossiculum, dim. of os, ossis, a bone.]
1. A little bone; as, the auditory ossicles in the tympanum of the ear.
2. (Zoöl.)
Defn: One of numerous small calcareous structures forming the skeleton of certain echinoderms, as the starfishes.
OSSICULATEDOs*sic"u*la`ted, a.
Defn: Having small bones.
OSSICULUMOs*sic"u*lum, n.; pl. Ossicula. Etym: [L., a little bone.] (Zoöl.)
Defn: Same as Ossicle.
OSSIFEROUS Os*sif"er*ous, a. Etym: [L. os, ossis, a bone + -ferous: cf. F. ossifère.]
Defn: Containing or yielding bone.
OSSIFIC Os*sif"ic, a. Etym: [L. os, ossis, bone + facere to make: cf. F. ossifique. See Fact.]
Defn: Capable of producing bone; having the power to change cartilage or other tissue into bone.
OSSIFICATIONOs`si*fi*ca"tion, n. Etym: [Cf. F. ossification. See Ossify.]
1. (Physiol.)
Defn: The formation of bone; the process, in the growth of an animal, by which inorganic material (mainly lime salts) is deposited in cartilage or membrane, forming bony tissue; ostosis.
Note: Besides the natural ossification of growing tissue, there is the so-called accidental ossification which sometimes follows certain abnormal conditions, as in the ossification of an artery.
2. The state of being changed into a bony substance; also, a mass or point of ossified tissue.
OSSIFIEDOs"si*fied, a.
Defn: Changed to bone or something resembling bone; hardened by deposits of mineral matter of any kind; — said of tissues.
OSSIFRAGE Os"si*frage, n. Etym: [L. ossifraga, ossifragus, osprey, fr. ossifragus bone breaking; os, ossis, a bone + frangere, fractum, to break. See Osseous, Break, and cf. Osprey, Ossifragous.] (Zoöl.) (a) The lammergeir. (b) The young of the sea eagle or bald eagle. [Obs.]
OSSIFRAGOUSOs*sif"ra*gous, a. Etym: [L. ossifragus. See Ossifrage.]
Defn: Serving to break bones; bone-breaking.
OSSIFYOs"si*fy, v. t. [imp. & p. p. Ossified; p. pr. & vb. n. Ossifying.]Etym: [L. os, ossis, bone + -fy: cf. F. ossifier. See Osseous.]
1. (Physiol.)
Defn: To form into bone; to change from a soft animal substance into bone, as by the deposition of lime salts.
2. Fig.: To harden; as, to ossify the heart. Ruskin.
OSSIFYOs"si*fy, v. i. (Physiol.)
Defn: To become bone; to change from a soft tissue to a hard bony tissue.
OSSIFYINGOs"si*fy`ing, a. (Physiol.)
Defn: Changing into bone; becoming bone; as, the ossifying process.
OSSIVOROUSOs*siv"o*rous, a. Etym: [L. os, ossis, bone + vorare to devour: cf.F. ossivore.]
Defn: Feeding on bones; eating bones; as, ossivorous quadrupeds.Derham.
OSSPRINGEROs"spring*er, n.
Defn: The osprey. [R.]
OSSUARIUMOs`su*a"ri*um, n. Etym: [L.]
Defn: A charnel house; an ossuary. Walpole.
OSSUARY Os"su*a*ry, n.; pl. -ries. Etym: [L. ossuarium, fr. ossuarius of or bones, fr. os, ossis, bone: cf. F. ossuaire.]
Defn: A place where the bones of the dead are deposited; a charnel house. [Obs.] Sir T. Browne.
OSTOst, n.
Defn: See Oast.
OSTEALOs"te*al, a. Etym: [Gr.
Defn: Osseous.
OSTEINOs"te*in, n. Etym: [Gr.
Defn: Ossein.
OSTEITISOs`te*i"tis, n. Etym: [NL. See Osteo-, and -itis.] (Med.)
Defn: Inflammation of bone.
OSTELEROs"tel*er, n.
Defn: Same as Hosteler. Wyclif.
OSTENDOs*tend", v. t. Etym: [L. ostendere to show.]
Defn: To exhibit; to manifest. [Obs.]Mercy to mean offenders we'll ostend. J. Webster.
OSTENSIBILITYOs*ten`si*bil"i*ty, n.
Defn: The quality or state of being ostensible.
OSTENSIBLE Os*ten"si*ble, a. Etym: [From L. ostensus, p. p. of ostendere to show, prop., to stretch out before; fr. prefix obs- (old form of ob-) + tendere to stretch. See Tend.]
1. Capable of being shown; proper or intended to be shown. [R.] Walpole.
2. Shown; exhibited; declared; avowed; professed; apparent; — often used as opposed to real or actual; as, an ostensible reason, motive, or aim. D. Ramsay.
OSTENSIBLYOs*ten"si*bly, adv.
Defn: In an ostensible manner; avowedly; professedly; apparently.Walsh.Ostensibly, we were intended to prevent filibustering into Texas, butreally as a menace to Mexico. U. S. Grant.
OSTENSIONOs*ten"sion, n. Etym: [L. ostensio a showing: cf. F. ostension. SeeOstend.] (Eccl.)
Defn: The showing of the sacrament on the altar in order that it may receive the adoration of the communicants.
OSTENSIVEOs*ten"sive, a.
Defn: Showing; exhibiting. Ostensive demonstration (Math.), a direct or positive demonstration, as opposed to the apagogical or indirect method.
OSTENSIVELYOs*ten"sive*ly, adv.
Defn: In an ostensive manner.
OSTENSORIUM; OSTENSORYOs`ten*so"ri*um, Os*ten"so*ry, n.; pl. L. -soria, E. -sories. Etym:[NL. ostensorium: cf. F. ostensoir. See Ostensible.] (R. C. Ch.)
Defn: Same as Monstrance.
OSTENT Os"tent, n. Etym: [L. ostentus, ostentum, fr. ostendere (p. p. ostensus and ostentus) to show. See Ostensible.]
1. Appearance; air; mien. Shak.
2. Manifestation; token; portent. Dryden. We asked of God that some ostent might clear Our cloudy business, who gave us sign. Chapman.
OSTENTATE Os"ten*tate, v. t. Etym: [L. ostentatus, p. p. of ostentare, v. intens. fr. ostendere. See Ostent.]
Defn: To make an ambitious display of; to show or exhibit boastingly.[R.] Jer. Taylor.
OSTENTATIONOs`ten*ta"tion, n. Etym: [L. ostentatio: cf. F. ostentation.]
1. The act of ostentating or of making an ambitious display; unnecessary show; pretentious parade; — usually in a detractive sense. "Much ostentation vain of fleshly arm." Milton. He knew that good and bountiful minds were sometimes inclined to ostentation. Atterbury.
2. A show or spectacle. [Obs.] Shak.
Syn.— Parade; pageantry; show; pomp; pompousness; vaunting; boasting.See Parade.
OSTENTATIOUSOs`ten*ta"tious, a.
Defn: Fond of, or evincing, ostentation; unduly conspicuous;pretentious; boastful.Far from being ostentatious of the good you do. Dryden.The ostentatious professions of many years. Macaulay.— Os`ten*ta"tious*ly, adv.— Os`ten*ta"tious*ness, n.
OSTENTATOROs"ten*ta`tor, n. Etym: [L.]
Defn: One fond of display; a boaster. Sherwood.
OSTENTIVEOs*ten"tive, a.
Defn: Ostentatious. [Obs.]
OSTENTOUSOs*ten"tous, a.
Defn: Ostentatious. [Obs.] Feltham.
OSTEO-Os"te*o-.
Defn: A combining form of Gr. a bone.
OSTEOBLASTOs"te*o*blast, n. Etym: [Osteo- + -blast.] (Anat.)
Defn: One of the protoplasmic cells which occur in the osteogenetic layer of the periosteum, and from or around which the matrix of the bone is developed; an osteoplast.
OSTEOCLASISOs`te*o*cla"sis, n. Etym: [NL. See Osteoclast.] (Surg.)
Defn: The operation of breaking a bone in order to correct deformity.
OSTEOCLASTOs"te*o*clast, n. Etym: [Osteo- + Gr.
1. (Physiol.)
Defn: A myeloplax.
Note: The osteoclasts occur usually in pits or cavities which they appear to have excavated, and are supposed to be concerned in the absorption of the bone matrix.
2. An instrument for performing osteoclasis.
OSTEOCOLLAOs`te*o*col"la, n. Etym: [Osteo- + Gr.
1. A kind of glue obtained from bones. Ure.
2. A cellular calc tufa, which in some places forms incrustations on the stems of plants, — formerly supposed to have the quality of uniting fractured bones.
OSTEOCOMMAOs`te*o*com"ma, n.; pl. L. Osteocommata, E. Osteocommas. Etym: [NL.See Osteo-, and Comma.] (Anat.)
Defn: A metamere of the vertebrate skeleton; an osteomere; a vertebra. Owen.
OSTEOCOPEOs"te*o*cope, n. Etym: [Gr. ostéocope.] (Med.)
Defn: Pain in the bones; a violent fixed pain in any part of a bone.— Os`te*o*cop"ic, a.
OSTEOCRANIUMOs`te*o*cra"ni*um, n. Etym: [Osteo- + cranium.] (Anat.)
Defn: The bony cranium, as distinguished from the cartilaginous cranium.
OSTEODENTINEOs`te*o*den"tine, n. Etym: [Osteo- + denite.] (Anat.)
Defn: A hard substance, somewhat like bone, which is sometimes deposited within the pulp cavity of teeth.
OSTEOGENOs"te*o*gen, n. Etym: [Osteo- + -gen.] (Physiol.)
Defn: The soft tissue, or substance, which, in developing bone, ultimately undergoes ossification.
OSTEOGENESIS; OSTEOGENY Os`te*o*gen"e*sis, Os`te*og"e*ny, n. Etym: [Osteo- + genesis, or the root of Gr. ostéogénie.] (Physiol.)
Defn: The formation or growth of bone.
OSTEOGENETICOs`te*o*ge*net"ic, a. (Physiol.)
Defn: Connected with osteogenesis, or the formation of bone; producing bone; as, osteogenetic tissue; the osteogenetic layer of the periosteum.
OSTEOGENICOs`te*o*gen"ic, a. (Physiol.)
Defn: Osteogenetic.
OSTEOGRAPHEROs`te*og"ra*pher, n.
Defn: An osteologist.
OSTEOGRAPHYOs`te*og"ra*phy, n. Etym: [Osteo- + -graphy.]
Defn: The description of bones; osteology.
OSTEOIDOs"te*oid, a. Etym: [Osteo- + -oid: cf. Gr. (Anat.)
Defn: Resembling bone; bonelike.
OSTEOLITEOs"te*o*lite, n. Etym: [Osteo- + -lite.] (Min.)
Defn: A massive impure apatite, or calcium phosphate.
OSTEOLOGEROs`te*ol"o*ger, n.
Defn: One versed in osteology; an osteologist.
OSTEOLOGIC; OSTEOLOGICALOs`te*o*log"ic, Os`te*o*log"ic*al, a. Etym: [Cf. F. ostéologique.]
Defn: Of or pertaining to osteology.— Os`te*o*log"ic*al*ly, adv.
OSTEOLOGISTOs`te*ol"o*gist, n.
Defn: One who is skilled in osteology; an osteologer.
OSTEOLOGYOs`te*ol"o*gy, n. Etym: [Osteo- + -logy: cf. F. ostéologie.]
Defn: The science which treats of the bones of the vertebrate skeleton.
OSTEOLYSISOs`te*ol"y*sis, n. [NL. osteo-+ Gr. a loosing.]
Defn: Softening and absorption of bone. — Os`te*o*lyt"ic (#), a.
OSTEOMAOs`te*o"ma, n.; pl. Osteomata. Etym: [NL. See Osteo-, and -oma.](Med.)
Defn: A tumor composed mainly of bone; a tumor of a bone.
OSTEOMALACIAOs`te*o*ma*la"ci*a, n. Etym: [NL., fr. Gr. (Med.)
Defn: A disease of the bones, in which they lose their earthy material, and become soft, flexible, and distorted. Also called malacia.
OSTEOMANTYOs"te*o*man`ty, n. Etym: [Osteo- Gr.
Defn: Divination by means of bones. [R.]
OSTEOMEREOs"te*o*mere, n. Etym: [Osteo- + -mere.] (Anat.)
Defn: An osteocomma. Owen.
OSTEOPATHOs"te*o*path, n.
Defn: A practitioner of osteopathy.
OSTEOPATHICOs`te*o*path"ic, a. (Med.)
Defn: Of or pertaining to osteopathy. —Os`te*o*path"ic*al*ly (#), adv.
OSTEOPATHISTOs`te*op"a*thist, n.
Defn: One who practices osteopathy; an osteopath.
OSTEOPATHY Os`te*op"a*thy, n. [Osteo- + Gr. suffering.] (Med.) (a) Any disease of the bones. [R.] (b) A system of treatment based on the theory that diseases are chiefly due to deranged mechanism of the bones, nerves, blood vessels, and other tissues, and can be remedied by manipulations of these parts.
OSTEOPERIOSTITISOs`te*o*per`i*os*ti"tis, n. [NL.; osteo- + periosteum + -itis.](Med.)
Defn: Inflammation of a bone and its periosteum.
OSTEOPHONEOs"te*o*phone, n. Etym: [Gr.
Defn: An instrument for transmission of auditory vibrations through the bones of the head, so as to be appreciated as sounds by persons deaf from causes other than those affecting the nervous apparatus of hearing.
OSTEOPLASTOs"te*o*plast, n. Etym: [Osteo- + Gr. (Anat.)
Defn: An osteoblast.
OSTEOPLASTICOs`te*o*plas"tic, a. Etym: [Osteo- + -plastic.]
1. (Physiol.)
Defn: Producing bone; as, osteoplastic cells.
2. (Med.)
Defn: Of or pertaining to the replacement of bone; as, an osteoplastic operation.
OSTEOPLASTYOs"te*o*plas`ty, n. Etym: [Osteo- + -plasty.] (Med.)
Defn: An operation or process by which the total or partial loss of a bone is remedied. Dunglison.
OSTEOPOROSISOs`te*o*po*ro"sis, n. [NL.; osteo- + Gr. pore.] (Med. & Physiol.)
Defn: An absorption of bone so that the tissue becomes unusually porous.
OSTEOPTERYGIOUSOs`te*op`ter*yg"i*ous, a. Etym: [Osteo- Gr. (Zoöl.)
Defn: Having bones in the fins, as certain fishes.
OSTEOSARCOMA Os`te*o*sar*co"ma, n.; pl. Osteosarcomata. Etym: [NL. See Osteo-, and sarcoma.] (Med.)
Defn: A tumor having the structure of a sacroma in which there is a deposit of bone; sarcoma connected with bone.
OSTEOSCLEROSISOs`te*o*scle*ro"sis, n. [NL.; osteo- + sclerosis.]
Defn: Abnormal hardness and density of bone.
OSTEOTOMEOs"te*o*tome, n. Etym: [Osteo- + Gr. (Surg.)
Defn: Strong nippers or a chisel for dividing bone.
OSTEOTOMISTOs`te*ot"o*mist, n.
Defn: One skilled in osteotomy.
OSTEOTOMYOs`te*ot"o*my, n.
1. The dissection or anatomy of bones; osteology.
2. (Surg.)
Defn: The operation of dividing a bone or of cutting a piece out of it, — done to remedy deformity, etc.
OSTEOZOAOs`te*o*zo"a, n. pl. Etym: [NL., fr. Gr. (Zoöl.)
Defn: Same as Vertebrata.
OSTIARYOs"ti*a*ry, n.; pl. -ries. Etym: [L. ostium door, entrance. SeeUsher.]
1. The mouth of a river; an estuary. [R.] Sir T. Browne.
2. One who keeps the door, especially the door of a church; a porter. N. Bacon.
OSTICOs"tic, a. Etym: [From North American Indian oshtegwon a head.]
Defn: Pertaining to, or applied to, the language of the Tuscaroras,Iroquois, Wyandots, Winnebagoes, and a part of the Sioux Indians.Schoolcraft.
OSTIOLE Os"ti*ole, n. Etym: [L. ostiolum a little door, dim. of ostium a door: cf. F. ostiole.] (Bot.) (a) The exterior opening of a stomate. See Stomate. (b) Any small orifice.
OSTITISOs*ti"tis, n. Etym: [NL.] (Med.)
Defn: See Osteitis.
OSTIUMOs"ti*um, n.; pl. Ostia. Etym: [L.] (Anat.)
Defn: An opening; a passage.
OSTLEROst"ler, n.
Defn: See Hostler.
OSTLERESSOst"ler*ess, n.
Defn: A female ostler. [R.] Tennyson.
OSTLERYOst"ler*y, n.
Defn: See Hostelry. [Obs.]
OSTMENOst"men, n. pl.; sing. Ostman. Etym: [See East, and Man.]
Defn: East men; Danish settlers in Ireland, formerly so called.Lyttelton.
OSTOSISOs*to"sis, n. Etym: [NL., from Gr. (Physiol.)
Defn: Bone formation; ossification. See Ectostosis, and Endostosis.
OSTRACEAOs*tra"ce*a, n. pl. Etym: [NL., fr. Gr. (Zoöl.)
Defn: A division of bivalve mollusks including the oysters and allied shells.
OSTRACEANOs*tra"cean, n. Etym: [L. ostrea an oyster. See Oyster.] (Zoöl.)
Defn: Any one of a family of bivalves, of which the oyster is the type.
OSTRACIONOs*tra"ci*on, n. Etym: [NL., fr. Gr. (Zoöl.)
Defn: A genus of plectognath fishes having the body covered with solid, immovable, bony plates. It includes the trunkfishes.
OSTRACIONTOs*tra"ci*ont, n. (Zoöl.)
Defn: A fish of the genus Ostracion and allied genera.
OSTRACISMOs"tra*cism, n. Etym: [Gr. Ostracize.]
1. (Gr. Antiq.)
Defn: Banishment by popular vote, — a means adopted at Athens to rid the city of a person whose talent and influence gave umbrage.
2. Banishment; exclusion; as, social ostracism. Public envy is as an ostracism, that eclipseth men when they grow too great. Bacon. Sentenced to a perpetual ostracism from the . . . confidence, and honors, and emoluments of his country. A. Hamilton.
OSTRACITEOs"tra*cite, n. (Paleon.)
Defn: A fossil oyster.
OSTRACIZEOs"tra*cize, v. t. [imp. & p. p. Ostracized; p. pr. & vb. n.Ostracizing.] Etym: [Gr. Osseous, Oyster.]
1. (Gr. Antiq.)
Defn: To exile by ostracism; to banish by a popular vote, as atAthens. Grote.
2. To banish from society; to put under the ban; to cast out from social, political, or private favor; as, he was ostracized by his former friends. Marvell.
OSTRACODAOs*trac"o*da, n. pl. (Zoöl.)
Defn: Ostracoidea.
OSTRACODERMIOs`tra*coder"mi, n. pl. Etym: [NL., fr. Gr. (Zoöl.)
Defn: A suborder of fishes of which Ostracion is the type.
OSTRACOIDOs"tra*coid, a. (Zoöl.)
Defn: Of or pertaining to the Ostracoidea.— n.
Defn: One of the Ostracoidea.
OSTRACOIDEAOs`tra*coi"de*a, n. pl. Etym: [NL., fr. Gr. -oid.] (Zoöl.)
Defn: An order of Entomostraca possessing hard bivalve shells. They are of small size, and swim freely about. [Written also Ostracoda.]
OSTREAOs"tre*a, n. Etym: [L., an oyster.] (Zoöl.)
Defn: A genus of bivalve Mollusca which includes the true oysters.
OSTREACEOUSOs`tre*a"ceous, a. Etym: [L. ostrea an oyster. See Oyster.] (Zoöl.)
Defn: Of or pertaining to an oyster, or to a shell; shelly.The crustaceous or ostreaceous body. Cudworth.
OSTREACULTUREOs"tre*a*cul`ture, n.
Defn: The artificial cultivation of oysters.
OSTREOPHAGISTOs`tre*oph"a*gist, n. Etym: [Gr.
Defn: One who feeds on oysters.
OSTRICHOs"trich, n. Etym: [OE. ostriche, ostrice, OF. ostruche, ostruce, F.autruche, L. avis struthio; avis bird + struthio ostrich, fr. Gr.Aviary, Struthious.] [Formerly written also estrich.] (Zoöl.)
Defn: A large bird of the genus Struthio, of which Struthio camelus of Africa is the best known species. It has long and very strong legs, adapted for rapid running; only two toes; a long neck, nearly bare of feathers; and short wings incapable of flight. The adult male is about eight feet high.
Note: The South African ostrich (Struthio australis) and the Asiatic ostrich are considered distinct species by some authors. Ostriches are now domesticated in South Africa in large numbers for the sake of their plumes. The body of the male is covered with elegant black plumose feathers, while the wings and tail furnish the most valuable white plumes. Ostrich farm, a farm on which ostriches are bred for the sake of their feathers, oil, eggs, etc. — Ostrich farming, the occupation of breeding ostriches for the sake of their feathers, etc. — Ostrich fern (Bot.) a kind of fern (Onoclea Struthiopteris), the tall fronds of which grow in a circle from the rootstock. It is found in alluvial soil in Europe and North America.
OSTRIFEROUSOs*trif"er*ous, a. Etym: [L. ostrifer; ostrea oyster + ferre.]
Defn: Producing oysters; containing oysters.
OSTROGOTHOs"tro*goth, n. Etym: [L. Ostrogothi, pl. See East, and Goth.]
Defn: One of the Eastern Goths. See Goth.
OSTROGOTHICOs`tro*goth"ic, a.
Defn: Of or pertaining to the Ostrogoths.
OSWEGO TEAOs*we"go tea". (Bot.)
Defn: An American aromatic herb (Monarda didyma), with showy, bright red, labiate flowers.
OTACOUSTICOt`a*cous"tic, a. Etym: [Oto- + acoustic: cf. F. otacoustique.]
Defn: Assisting the sense of hearing; as, an otacoustic instrument.
OTACOUSTIC; OTACOUSTICONOt`a*cous"tic, Ot`a*cous"ti*con, n.
Defn: An instrument to facilitate hearing, as an ear trumpet.
OTAHEITE APPLE O`ta*hei"te ap"ple. Etym: [So named from Otaheite, or Tahiti, one of the Society Islands.] (Bot.) (a) The fruit of a Polynesian anacardiaceous tree (Spondias dulcis), also called vi-apple. It is rather larger than an apple, and the rind has a flavor of turpentine, but the flesh is said to taste like pineapples. (b) A West Indian name for a myrtaceous tree (Jambosa Malaccensis) which bears crimson berries.
OTALGIAO*tal"gi*a, n. Etym: [NL., fr. Gr. otalgie.] (Med.)
Defn: Pain in the ear; earache.
OTALGICO*tal"gic, a. (Med.)
Defn: Of or pertaining to otalgia.— n.
Defn: A remedy for otalgia.
OTALGYO*tal"gy, n.
Defn: Pain in the ear; otalgia.
OTARYO"ta*ry, n.; pl. Otaries. Etym: [Gr. otarie.] (Zoöl.)
Defn: Any eared seal.
OTHEOSCOPEO"the*o*scope, n. Etym: [Gr. -scope.] (Physics)
Defn: An instrument for exhibiting the repulsive action produced by light or heat in an exhausted vessel; a modification of the radoimeter. W. Crookes.
OTHEROth"er conj. Etym: [See Or.]
Defn: Either; — used with other or or for its correlative (as either . . . or are now used). [Obs.] Other of chalk, other of glass. Chaucer.
OTHER Oth"er, pron. & a. Etym: [AS. ; akin to OS. a, , D. & G. ander, OHG. andar, Icel. annarr, Sw. annan, Dan. anden, Goth. an, Skr. antara: cf. L. alter; all orig. comparatives: cf. Skr. anya other. sq. root180. Cf. Alter.] [Formerly other was used both as singular and plural.]
1. Different from that which, or the one who, has been specified; not the same; not identical; additional; second of two. Each of them made other for to win. Chaucer. Whosoever shall smite thee on thy right cheek, turn to him the other also. Matt. v. 39.
2. Not this, but the contrary; opposite; as, the other side of a river.
3. Alternate; second; — used esp. in connection with every; as, every other day, that is, each alternate day, every second day.
4. Left, as opposed to right. [Obs.] A distaff in her other hand she had. Spenser.
Note: Other is a correlative adjective, or adjective pronoun, oftenin contrast with one, some, that, this, etc.The one shall be taken, and the other left. Matt. xxiv. 4And some fell among thorns . . . but other fell into good ground.Matt. xiii. 7, 8.
It is also used, by ellipsis, with a noun, expressed or understood. To write this, or to design the other. Dryden. It is written with the indefinite article as one word, another; is used with each, indicating a reciprocal action or relation; and is employed absolutely, or eliptically for other thing, or other person, in which case it may have a plural. The fool and the brutish person perish, and leave their wealth to others. Ps. xlix. 10. If he is trimming, others are true. Thackeray. Other is sometimes followed by but, beside, or besides; but oftener by than. No other but such a one as he. Coleridge. Other lords beside thee have had dominion over us. Is. xxvi. 13. For other foundation can no man lay than that is laid. 1 Cor. iii. 11. The whole seven years of . . . ignominy had been little other than a preparation for this very hour. Hawthorne. Other some, some others. [Obs. or Prov. Eng.] — The other day, at a certain time past, not distant, but indefinite; not long ago; recently; rarely, the third day past. Bind my hair up: as't was yesterday No, nor t' other day. B. Jonson.
OTHEROth"er, adv.
Defn: Otherwise. "It shall none other be." Chaucer. "If you think other." Shak.
OTHERGATESOth"er*gates`, adv. Etym: [Other + gate way. See wards.]
Defn: In another manner. [Obs.]He would have tickled you othergates. Shak.
OTHERGUISE; OTHERGUESS Oth"er*guise`, Oth"er*guess`, a. & adv. Etym: [A corruption of othergates.]
Defn: Of another kind or sort; in another way. "Otherguess arguments." Berkeley.
OTHERNESSOth"er*ness, n.
Defn: The quality or state of being other or different; alterity; oppositeness.
OTHERWAYSOth"er*ways`, adv.
Defn: See Otherwise. Tyndale.
OTHERWHEREOth"er*where`, adv.
Defn: In or to some other place, or places; elsewhere. Milton.Tennyson.
OTHERWHILE; OTHERWHILESOth"er*while`, Oth"er*whiles`, adv.
Defn: At another time, or other times; sometimes; [Archaic]Weighing otherwhiles ten pounds and more. Holland.
OTHERWISEOth"er*wise`, adv. Etym: [Other + wise manner.]
1. In a different manner; in another way, or in other ways; differently; contrarily. Chaucer. Thy father was a worthy prince, And merited, alas! a better fate; But Heaven thought otherwise. Addison.
2. In other respects. It is said, truly, that the best men otherwise are not always the best in regard of society. Hooker.
3. In different circumstances; under other conditions; as, I am engaged, otherwise I would accept.
Note: Otherwise, like so and thus, may be used as a substitute forthe opposite of a previous adjective, noun, etc.Let no man think me a fool; if otherwise, yet as a fool receive me. 2Cor. xi. 16.Her eyebrows . . . rather full than otherwise. Fielding.
OTHMANOth"man, n. & a.
Defn: See Ottoman.
OTICO"tic, a. Etym: [Gr. otique.]
Defn: Of, pertaining to, or in the region of, the ear; auricular; auditory.
OTIOSEO"ti*ose`, a. Etym: [L. otiosus, fr. otium ease.]
Defn: Being at leisure or ease; unemployed; indolent; idle. "Otioseassent." Paley.The true keeping of the Sabbath was not that otiose and unAlford.
OTIOSITYO`ti*os"ity, n. Etym: [L. otiositas.]
Defn: Leisure; indolence; idleness; ease. [R.] Thackeray.
OTISO"tis, n. Etym: [L., a kind of bustard, Gr. (Zoöl.)
Defn: A genus of birds including the bustards.
OTITISO*ti"tis, n. Etym: [NL., fr. Gr. -itis.] (Med.)
Defn: Inflammation of the ear.
OTO-O"to-. Etym: [Gr.
Defn: A combining form denoting relation to, or situation near or in, the ear.
OTOBA FATO*to"ba fat`. (Chem.)
Defn: A colorless buttery substance obtained from the fruit ofMyristica otoba, a species of nutmeg tree.
OTOCONITE O*toc"o*nite, n. Etym: [Oto- + Gr. (Anat.) (a) A mass of otoliths. (b) An otolith.
OTOCRANEO"to*crane, n. Etym: [Oto- + Gr. (Anat.)
Defn: The cavity in the skull in which the parts of the internal ear are lodged.
OTOCRANIALO`to*cra"ni*al, a. (Anat.)
Defn: Of or pertaining to the otocrane.
OTOCYSTO"to*cyst, n. Etym: [Oto- + cyst.] (Zoöl. & Anat.)
Defn: An auditory cyst or vesicle; one of the simple auditory organs of many invertebrates, containing a fluid and otoliths; also, the embryonic vesicle from which the parts of the internal ear of vertebrates are developed.
OTOGRAPHYO*tog"ra*phy, n. Etym: [Oto- + -graphy.]
Defn: A description of the ear.
OTOLITH; OTOLITEO"to*lith, O"to*lite, n. Etym: [Oto- + -lith, -lite.] (Anat.)
Defn: One of the small bones or particles of calcareous or other hard substance in the internal ear of vertebrates, and in the auditory organs of many invertebrates; an ear stone. Collectively, the otoliths are called ear sand and otoconite.
OTOLITHIC; OTOLITICO`to*lith"ic, O`to*lit"ic, a. (Anat.)
Defn: Of or pertaining to otoliths.
OTOLOGICALO`to*log"ic*al, a.
Defn: Of or pertaining tootology.
OTOLOGISTO*tol"o*gist, n.
Defn: One skilled in otology; an aurist.
OTOLOGYO*tol"o*gy, n. Etym: [Oto- + -logy.]
Defn: The branch of science which treats of the ear and its diseases.
OTOPATHYO*top"a*thy, n. Etym: [Oto- + Gr. (Med.)
Defn: A diseased condition of the ear.
OTORRHEA; OTORRHOEAO`tor*rhe"a, n. Etym: [NL., fr. Gr. (Med.)
Defn: A flow or running from the ear, esp. a purulent discharge.
OTOSCOPEO"to*scope, n. Etym: [Oto- + -scope.]
Defn: An instrument for examining the condition of the ear.
OTOSCOPEICO`to*scope"ic, a.
Defn: Of or pertaining to the otoscope or to otoscopy.
OTOSCOPYO*tos"co*py, n. (Med.)
Defn: The examination of the ear; the art of using the otoscope.
OTOSTEALO*tos"te*al, n. Etym: [Oto- + Gr. (Anat.)
Defn: An auditory ossicle. R. Owen.
OTOZOUMO`to*zo"um, n. Etym: [NL., fr. Gr. (Paleon.)
Defn: An extinct genus of huge vertebrates, probably dinosaurs, known only from four-toed tracks in Triassic sandstones.
OTTAROt"tar, n.
Defn: See Attar.
OTTAVA RIMAOt*ta"va ri"ma. [It. See Octave, and Rhyme.] (Pros.)
Defn: A stanza of eight lines of heroic verse, with three rhymes, the first six lines rhyming alternately and the last two forming a couplet. It was used by Byron in "Don Juan," by Keats in "Isabella," by Shelley in "The Witch of Atlas," etc.
OTTAWASOt"ta*was, n. pl.; sing. Ottawa (. (Ethnol.)
Defn: A tribe of Indians who, when first known, lived on the Ottawa River. Most of them subsequently migrated to the southwestern shore of Lake Superior.
OTTER Ot"ter, n. Etym: [OE. oter, AS. Otor; akin to D. & G. otter, Icel. otr, Dan. odder, Sw. utter, Lith. udra, Russ, vuidra, Gr. udra otter, and also to E. water. Water, and cf. Hydra.]
1. (Zoöl.)
Defn: Any carnivorous animal of the genus Lutra, and related genera. Several species are described. They have large, flattish heads, short ears, and webbed toes. They are aquatic, and feed on fish. Their fur is soft and valuable. The common otter of Europe is Lutra vulgaris; the American otter is L. Canadensis; other species inhabit South America and Asia.
2. (Zoöl.)
Defn: The larva of the ghost moth. It is very injurious to hop vines.Otter hound, Otter dog (Zoöl.), a small breed of hounds, used inEngland for hunting otters.— Otter sheep. See Ancon sheep, under Ancon.— Otter shell (Zoöl.), very large bivalve mollusk (SchizothærusNuttallii) found on the northwest coast of America. It is excellentfood, and is extensively used by the Indians.— Sea otter. (Zoöl.) See in the Vocabulary.
OTTEROt"ter, n.
Defn: A corruption of Annotto.
OTTOOt"to, n.
Defn: See Attar.
OTTO CYCLEOt"to cy`cle. (Thermodynamics)
Defn: A four-stroke cycle for internal-combustion engines consisting of the following operations: First stroke, suction into cylinder of explosive charge, as of gas and air; second stroke, compression, ignition, and explosion of this charge; third stroke (the working stroke), expansion of the gases; fourth stroke, expulsion of the products of combustion from the cylinder. This is the cycle invented by Beau de Rochas in 1862 and applied by Dr. Otto in 1877 in the Otto-Crossley gas engine, the first commercially successful internal- combustion engine made.
OTTO ENGINEOtto engine.
Defn: An engine using the Otto cycle.
OTTOMAN Ot"to*man, a. Etym: [F. ottoman: cf. It. ottomano, ottomanno; — from Othoman, Othman, or Osman, the name of a sultan who assumed the government of Turkey about the year 1300. Cf. Osmanli, Ottoman a stuffed seat.]