Webster's Unabridged Dictionary - Letter O - Page 27
Ora (n. pl. ) of Os.
Ora (n.) [AS. See 2d Ore.] A money of account among the Anglo-Saxons, valued, in the Domesday Book, at twenty pence sterling.
Os (n.) [L.] A mouth; an opening; an entrance.
Osar (n. pl.) (Geol.) See 3d Os.
Osar (n. pl. ) of Os.
Os (n.) (Geol.) 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.
OSAR, () Optical Storage and Retrieval.
Osage orange (n.) (Bot.) 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.
Osage orange (n.) Small shrubby deciduous yellowwood tree of south central United States having spines, glossy dark green leaves and an inedible fruit that resembles an orange; its hard orange-colored wood used for bows by Native Americans; frequently planted as boundary hedge [syn: osage orange, bow wood, mock orange, Maclura pomifera].
Osages (n. pl.) (sing. Osage.) (Ethnol.) A tribe of southern Sioux Indians, now living in the Indian Territory.
Osanne (n.) Hosanna. [Obs.] -- Chaucer.
Osar (n. pl.) (Geol.) See 3d Os.
Os, (n.; pl. Osar.) (Geol.) 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.
OSAR, () Optical Storage and Retrieval.
Oscan (a.) Of or pertaining to the Osci, a primitive people of Campania, a province of ancient Italy.
Oscan (n.) The language of the Osci.
Oscan (n.) An Oscan-speaking member of an ancient people of Campania.
Oscan (n.) An extinct Italic language of ancient southern Italy.
Oscillancy (n.) The state of oscillating; a seesaw kind of motion. [R.]
Oscillaria (n.) (Bot.) A genus of dark green, or purplish black, filamentous, fresh-water algae, the threads of which have an automatic swaying or crawling motion. Called also Oscillatoria.
Oscillated (imp. & p. p.) of Oscillate.
Oscillating (p. pr. & vb. n.) of Oscillate.
Oscillate (v. i.) To move backward and forward; to vibrate like a pendulum; to swing; to sway.
Oscillate (v. i.) 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. -- De Quincey.
Oscillate (v.) Be undecided about something; waver between conflicting positions or courses of action; "He oscillates between accepting the new position and retirement" [syn: hover, vibrate, vacillate, oscillate].
Oscillate (v.) Move or swing from side to side regularly; "the needle on the meter was oscillating" [syn: oscillate, vibrate].
Oscillating (a.) That oscillates; vibrating; swinging.
Oscillating (a.) Having periodic vibrations [syn: oscillatory, oscillating].
Oscillation (n.) 振動，擺動 [U] [C]；動搖；波動 [C]； 【物】振蕩 The act of oscillating; a swinging or moving backward and forward, like a pendulum; vibration.
Oscillation (n.) 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.
Oscillation (n.) The process of oscillating between states.
Oscillation (n.) (Physics) A regular periodic variation in value about a mean [syn: {oscillation}, {vibration}].
Oscillation (n.) A single complete execution of a periodically repeated phenomenon; "a year constitutes a cycle of the seasons" [syn: {cycle}, {oscillation}].
Oscillative (a.) Tending to oscillate; vibratory. [R.] -- I. Taylor.
Oscillaria (prop. n.) (Bot.) A genus of dark green, or purplish black, filamentous, fresh-water algae, the threads of which have an automatic swaying or crawling motion. Called also Oscillatoria.
Oscillatoria (n. pl.) (Bot.) Same as Oscillaria.
Oscillatory (a.) Moving, or characterized by motion, backward and forward like a pendulum; swinging; oscillating; vibratory; as, oscillatory motion.
Oscillatory (a.) Having periodic vibrations [syn: oscillatory, oscillating].
Oscine (a.) Relating to the Oscines.
Oscines (n. pl.) Singing birds; a group of the Passeres, having numerous syringeal muscles, conferring musical ability.
Oscinian (n.) (Zool.) One of the Oscines, or singing birds.
Oscinian (n.) (Zool.) Any one of numerous species of dipterous files of the family Oscinidae.
Note: Some, whose larvae live in the stalks, are very destructive to barley, wheat, and rye; others, as the barley fly ({Oscinis frit), destroy the heads of grain.
Oscinine (a.) (Zool.) Of or pertaining to the Oscines.
Oscitancy (n.) The act of gaping or yawning.
Oscitancy (n.) Drowsiness; dullness; sluggishness. -- Hallam.
It might proceed from the oscitancy of transcribers. -- Addison.
Oscitancy (n.) Drowsiness and dullness manifested by yawning [syn: oscitancy, oscitance].
Oscitancy (n.) An involuntary intake of breath through a wide open mouth; usually triggered by fatigue or boredom; "he could not suppress a yawn"; "the yawning in the audience told him it was time to stop"; "he apologized for his oscitancy" [syn: yawn, yawning, oscitance, oscitancy].
Oscitant (a.) Yawning; gaping.
Oscitant (a.) Sleepy; drowsy; dull; sluggish; careless.
He must not be oscitant, but intent on his charge. -- Barrow.
Oscitant (a.) Showing lack of attention or boredom; "the yawning congregation" [syn: drowsy, oscitant, yawning(a)].
Oscitantly (adv.) In an oscitant manner.
Oscitate (v. i.) To gape; to yawn.
Oscitation (n.) The act of yawning or gaping. -- Addison.
Osculant (a.) Kissing; hence, meeting; clinging.
Osculant (a.) (Zool.) Adhering closely; embracing; -- applied to certain creeping animals, as caterpillars.
Osculant (a.) (Biol.) 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.
Osculated (imp. & p. p.) of Osculate.
Osculating (p. pr. & vb. n.) of Osculate.
Osculate (v. t.) To kiss.
Osculate (v. t.) (Geom.) To touch closely, so as to have a common curvature at the point of contact. See Osculation, 2.
Osculate (v. i.) To kiss one another; to kiss.
Osculate (v. i.) (Geom.) To touch closely. See Osculation, 2.
Osculate (v. i.) (Biol.) To have characters in common with two genera or families, so as to form a connecting link between them; to interosculate. See Osculant.
Osculate (v.) Be intermediate between two taxonomic groups; "These species osculate".
Osculate (v.) Have at least three points in common with; "one curve osculates the other"; "these two surfaces osculate".
Osculate (v.) Touch with the lips or press the lips (against someone's mouth or other body part) as an expression of love, greeting, etc.; "The newly married couple kissed"; "She kissed her grandfather on the forehead when she entered the room" [syn: snog, kiss, buss, osculate].
Osculation (n.) The act of kissing; a kiss.
Osculation (n.) (Geom.) 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.
Osculation (n.) (Mathematics) A contact of two curves (or two surfaces) at which they have a common tangent.
Osculation (n.) The act of caressing with the lips (or an instance thereof) [syn: kiss, buss, osculation].
Osculatory (a.) Of or pertaining to kissing; kissing. "The osculatory ceremony". -- Thackeray.
Osculatory (a.) (Geom.) 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.
Osculatory (n.) (R. C. Ch.) Same as Pax, 2.
Osculatrixes (n. pl. ) of Osculatrix.
Osculatrix (n.) (Geom.) 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.
Oscule (n.) (Zool.) One of the excurrent apertures of sponges.
Oscula (n. pl. ) of Osculum.
Osculum (n.) (Zool.) Same as Oscule.
-ose () A suffix denoting full of, containing, having the qualities of, like; as in verbose, full of words; pilose, hairy; globose, like a globe.
-ose () (Chem.) A suffix indicating that the substance to the name of which it is affixed is a member of the carbohydrate group; as in cellulose, sucrose, dextrose, etc.
OSE, () Open Software / System Environment.
OSE, () Open Systems Environment.
Osier (n.) (Bot.) 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.
Osier (n.) (Bot.) One of the long, pliable twigs of this plant, or of other similar 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 kind of willow with reddish twigs ({Salix rubra).
Red osier. An American shrub ({Cornus stolonifera) which has slender red branches; -- also called osier cornel.
Osier (a.) Made of osiers; composed of, or containing, osiers. "This Osier cage of ours". -- Shak.
Osier (n.) Flexible twig of a willow tree.
Osier (n.) Any of various willows having pliable twigs used in basketry and furniture.
Osiered (a.) Covered or adorned with osiers; as, osiered banks. [Poetic] -- Collins.
Osiery (n.) An osier bed.
Osiris (n.) (Myth.) One of the principal divinities of Egypt, the brother and husband of Isis. He was figured as a mummy wearing the royal cap of Upper Egypt, and was symbolized by the sacred bull, called Apis. Cf. Serapis. -- O*sir"i*an, a.
Osmanlis (n. pl. ) of Osmanli.
Osmanli (n.) A Turkish official; one of the dominant tribe of Turks; loosely, any Turk.
Osmanli (n.) A Turk (especially a Turk who is a member of the tribe of Osman I) [syn: Ottoman, Ottoman Turk, Osmanli].
Osmate (n.) (Chem.) A salt of osmic acid. [Formerly written also osmiate.]
Osmateria (n. pl. ) of Osmaterium.
Osmaterium (n.) (Zool.) One of a pair of scent organs which the larvae of certain butterflies emit from the first body segment, either above or below.
Osmazome (n.) (Old Chem.) 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.
Osmiamate (n.) (Chem.) A salt of osmiamic acid.
Osmiamic (a.) (Chem.) Of, pertaining to, or designating, a nitrogenous acid of osmium, H2N2Os2O5, forming a well-known series of yellow salts.
Osmic (a.) (Chem.) 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.) Osmic tetroxide. [Obs.]
Osmic acid. (Chem.) 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.
Osmidrosis (n.) (Med.) The secretion of fetid sweat.
Osmious (a.) (Chem.) 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.
Osmite (n.) (Chem.) A salt of osmious acid.
Osmium (n.) (Chem.) A rare metallic element of the platinum group with atomic number 76. It is 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 190.2. Specific gravity 22.477.
Osmium (n.) A hard brittle blue-grey or blue-black metallic element that is one of the platinum metals; the heaviest metal known [syn: osmium, Os, atomic number 76].
Osmium
Symbol: Os
Atomic number: 76
Atomic weight: 190.2
Hard blue-white metallic transition element. Found with platinum and used in some alloys with platinum and iridium.
Osmometer (n.) (Physics) An instrument for measuring the amount of osmotic action in different liquids.
Osmometry (n.) (Physics) The study of osmose by means of the osmometer.
Osmose (n.) (Chemical Physics) The tendency in fluids to mix, or become equably diffused, when in contact. Same as osmosis, which see.
Electric osmose, or Electric endosmose (Elec.), The transportation of a liquid through a porous septum by the action of an electric current.
Osmosis (n.) (Chemical Physics) 【物】滲透作用；吸收；同化 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. An older term for the phenomenon was Osmose.
Note: The more rapid flow from the thinner to the thicker fluid was then called endosmosis (formerly endosmose), and the opposite, slower current, exosmosis (formerly exosmose). Both are, however, results of the same force. Osmosis may be regarded as a form of molecular attraction, allied to that of adhesion. See also osmotic pressure.
Osmosis (n.) The action produced by this tendency.
Osmosis (n.) Osmose.
Osmosis (n.) (Biology, chemistry) Diffusion of molecules through a semipermeable membrane from a place of higher concentration to a place of lower concentration until the concentration on both sides is equal.
Compare: Reverse osmosis
Reverse osmosis (ph.)【化】逆滲透技術Reverse osmosis removes contaminants from unfiltered water, or feed water, when pressure forces it through a semipermeable membrane. Water flows from the more concentrated side (more contaminants) of the RO membrane to the less concentrated side (fewer contaminants) to provide clean drinking water. The fresh water produced is called the permeate. The concentrated water left over is called the waste or brine.
Osmotic (a.) Pertaining to, or having the property of, osmose; as, osmotic force.
Osmotic (a.) Of or relating to osmosis; "osmotic pressure".
Osmund (n.) (Bot.) 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.
Osmund (n.) Any fern of the genus Osmunda: large ferns with creeping rhizomes; naked sporangia are on modified fronds that resemble flower clusters [syn: flowering fern, osmund].
Osnaburg (n.) A species of coarse linen, originally made in Osnaburg, Germany.
Oso-berry (n.) (Bot.) The small, blueblack, drupelike fruit of the Nuttallia cerasiformis, a shrub of Oregon and California, belonging to the Cherry tribe of Rosaceae.
Osphradia (n. pl. ) of Osphradium.
Osphradium (n.) (Zool.) The olfactory organ of some Mollusca. It is connected with the organ of respiration. Osprey
Osprey (n.) Alt. of Ospray.
Ospray (n.) (Zool.) The fishhawk ({Pandion haliaetus).
Osprey (n.) Large harmless hawk found worldwide that feeds on fish and builds a bulky nest often occupied for years [syn: osprey, fish hawk, fish eagle, sea eagle, Pandion haliaetus].
Osprey, () Heb. 'ozniyyah, an unclean bird according to the Mosaic law (Lev. 11:13; Deut. 14:12); the fish-eating eagle (Pandion haliaetus); one of the lesser eagles. But the Hebrew word may be taken to denote the short-toed eagle (Circaetus gallicus of Southern Europe), one of the most abundant of the eagle tribe found in Palestine.
Osprey, FL -- U.S. Census Designated Place in Florida
Population (2000): 4143
Housing Units (2000): 2267
Land area (2000): 5.455246 sq. miles (14.129021 sq. km)
Water area (2000): 0.611009 sq. miles (1.582507 sq. km)
Total area (2000): 6.066255 sq. miles (15.711528 sq. km)
FIPS code: 53425
Located within: Florida (FL), FIPS 12
Location: 27.193962 N, 82.486012 W
ZIP Codes (1990): 34229
Note: some ZIP codes may be omitted esp. for suburbs.
Headwords:
Osprey, FL
Osprey
Oss (v. i.) To prophesy; to presage. [R. & Obs.] -- R. Edgeworth.
OSS, () Open Sound System (Linux, audio).
OSS, () Open Source Software (OSS)
OSS, () Operator Service System
OSS, () Written-only acronym for ?Open Source Software? (see open source). This is a rather ugly TLA, and the principals in the open-source movement don't use it, but it has (perhaps inevitably) spread through the trade press like kudzu.
Osse (n.) A prophetic or ominous utterance. [R. & Obs.] -- Holland.
Ossean (n.) (Zool.) A fish having a bony skeleton; a teleost.
Ossein (n.) (Physiol. Chem.) 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.
Osselet (n.) [F.] A little bone.
Osselet (n.) [F.] (Zool.) The internal bone, or shell, of a cuttlefish.
Osseous (a.) Composed of bone; resembling bone; capable of forming bone; bony; ossific.
Osseous (a.) Composed of or containing bone; "osseous tissue" [syn: osseous, osteal, bony].
Osseter (n.) (Zool.) A species of sturgeon.
Ossianic (a.) Of or pertaining to, or characteristic of, Ossian, a legendary Erse or Celtic bard.
The compositions might be fairly classed as Ossianic. -- G. Eliot.
Ossicle (n.) A little bone; as, the auditory ossicles in the tympanum of the ear.
Ossicle (n.) (Zool.) One of numerous small calcareous structures forming the skeleton of certain echinoderms, as the starfishes.
Ossicle (n.) A small bone; especially one in the middle ear [syn: ossicle, bonelet, ossiculum].
Ossiculated (a.) Having small bones.