English Dictionary: os sesamoideum | by the DICT Development Group |
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From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Occasion \Oc*ca"sion\ ([ocr]k*k[amac]"zh[ucr]n), n. [F. occasion, L. occasio, fr. occidere, occasum, to fall down; ob (see {Ob-}) + cadere to fall. See {Chance}, and cf. {Occident}.] 1. A falling out, happening, or coming to pass; hence, that which falls out or happens; occurrence; incident. The unlooked-for incidents of family history, and its hidden excitements, and its arduous occasions. --I. Taylor. 2. A favorable opportunity; a convenient or timely chance; convenience. Sin, taking occasion by the commandment, deceived me. --Rom. vii. 11. I'll take the occasion which he gives to bring Him to his death. --Waller. 3. An occurrence or condition of affairs which brings with it some unlooked-for event; that which incidentally brings to pass an event, without being its efficient cause or sufficient reason; accidental or incidental cause. Her beauty was the occasion of the war. --Dryden. 4. Need; exigency; requirement; necessity; as, I have no occasion for firearms. After we have served ourselves and our own occasions. --Jer. Taylor. When my occasions took me into France. --Burke. 5. A reason or excuse; a motive; a persuasion. Whose manner was, all passengers to stay, And entertain with her occasions sly. --Spenser. {On occasion}, in case of need; in necessity; as convenience requires; occasionally. [bd]That we might have intelligence from him on occasion,[b8] --De Foe. Syn: Need; incident; use. See {Opportunity}. | |
From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Occasion \Oc*ca"sion\ ([ocr]k*k[amac]"zh[ucr]n), v. t. [imp. & p. p. {Occasioned} (-zh[ucr]nd); p. pr. & vb. n. {Occasioning}.] [Cf.F. occasionner.] To give occasion to; to cause; to produce; to induce; as, to occasion anxiety. --South. If we inquire what it is that occasions men to make several combinations of simple ideas into distinct modes. --Locke. | |
From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Occasionable \Oc*ca"sion*a*ble\, a. Capable of being occasioned or caused. --Barrow. | |
From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Occasional \Oc*ca"sion*al\, a. [Cf.F. occasionnel.] 1. Of or pertaining to an occasion or to occasions; occuring at times, but not constant, regular, or systematic; made or happening as opportunity requires or admits; casual; incidental; as, occasional remarks, or efforts. The . . . occasional writing of the present times. --Bagehot. 2. Produced by accident; as, the occasional origin of a thing. [Obs.] --Sir T. Browne. {Occasional cause} (Metaph.), some circumstance preceding an effect which, without being the real cause, becomes the occasion of the action of the efficient cause; thus, the act of touching gunpowder with fire is the occasional, but not the efficient, cause of an explosion. | |
From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Occasional \Oc*ca"sion*al\, a. [Cf.F. occasionnel.] 1. Of or pertaining to an occasion or to occasions; occuring at times, but not constant, regular, or systematic; made or happening as opportunity requires or admits; casual; incidental; as, occasional remarks, or efforts. The . . . occasional writing of the present times. --Bagehot. 2. Produced by accident; as, the occasional origin of a thing. [Obs.] --Sir T. Browne. {Occasional cause} (Metaph.), some circumstance preceding an effect which, without being the real cause, becomes the occasion of the action of the efficient cause; thus, the act of touching gunpowder with fire is the occasional, but not the efficient, cause of an explosion. | |
From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Occasionalism \Oc*ca"sion*al*ism\, n. (Metaph.) The system of occasional causes; -- a name given to certain theories of the Cartesian school of philosophers, as to the intervention of the First Cause, by which they account for the apparent reciprocal action of the soul and the body. | |
From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Occasionality \Oc*ca`sion*al"i*ty\, n. Quality or state of being occasional; occasional occurrence. [R.] | |
From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Occasionally \Oc*ca"sion*al*ly\, adv. In an occasional manner; on occasion; at times, as convenience requires or opportunity offers; not regularly. --Stewart. The one, Wolsey, directly his subject by birth; the other, his subject occasionally by his preferment. --Fuller. | |
From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Occasionate \Oc*ca"sion*ate\, v. t. To occasion. [Obs.] The lowest may occasionate much ill. --Dr. H. More. | |
From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Occasion \Oc*ca"sion\ ([ocr]k*k[amac]"zh[ucr]n), v. t. [imp. & p. p. {Occasioned} (-zh[ucr]nd); p. pr. & vb. n. {Occasioning}.] [Cf.F. occasionner.] To give occasion to; to cause; to produce; to induce; as, to occasion anxiety. --South. If we inquire what it is that occasions men to make several combinations of simple ideas into distinct modes. --Locke. | |
From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Occasioner \Oc*ca"sion*er\, n. One who, or that which, occasions, causes, or produces. --Bp. Sanderson. | |
From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Occasion \Oc*ca"sion\ ([ocr]k*k[amac]"zh[ucr]n), v. t. [imp. & p. p. {Occasioned} (-zh[ucr]nd); p. pr. & vb. n. {Occasioning}.] [Cf.F. occasionner.] To give occasion to; to cause; to produce; to induce; as, to occasion anxiety. --South. If we inquire what it is that occasions men to make several combinations of simple ideas into distinct modes. --Locke. | |
From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Occision \Oc*ci"sion\, n. [L. occisio, fr. occidere, occisium, to cut down, to kill; ob (see {Ob-}) + caedere to cut.] A killing; the act of killing. [Obs.] --Sir M. Hale. | |
From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Ogygian \O*gyg"i*an\, a. [L. Ogygius, Gr. [?].] Of or pertaining to Ogyges, a mythical king of ancient Attica, or to a great deluge in Attica in his days; hence, primeval; of obscure antiquity. | |
From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Oxycymene \Ox`y*cy"mene\, n. [Oxy (b) + cymene.] (Chem.) Hydroxy cymene. Same as {Carvacrol}. | |
From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Oxygen \Ox"y*gen\, n. [F. oxyg[8a]ne, from Gr. [?][?][?][?] sharp, acid + root of [?][?][?][?] to be born. So called because originally supposed to be an essential part of every acid.] 1. (Chem.) A colorless, tasteless, odorless, gaseous element occurring in the free state in the atmosphere, of which it forms about 23 per cent by weight and about 21 per cent by volume, being slightly heavier than nitrogen. Symbol O. Atomic weight 15.96. Note: It occurs combined in immense quantities, forming eight ninths by weight of water, and probably one half by weight of the entire solid crust of the globe, being an ingredient of silica, the silicates, sulphates, carbonates, nitrates, etc. Oxygen combines with all elements (except fluorine), forming oxides, bases, oxyacid anhydrides, etc., the process in general being called oxidation, of which combustion is only an intense modification. At ordinary temperatures with most substances it is moderately active, but at higher temperatures it is one of the most violent and powerful chemical agents known. It is indispensable in respiration, and in general is the most universally active and efficient element. It may be prepared in the pure state by heating potassium chlorate. This element (called dephlogisticated air by Priestley) was named oxygen by Lavoisier because he supposed it to be a constituent of all acids. This is not so in the case of a very few acids (as hydrochloric, hydrobromic, hydric sulphide, etc.), but these do contain elements analogous to oxygen in property and action. Moreover, the fact that most elements approach the nearer to acid qualities in proportion as they are combined with more oxygen, shows the great accuracy and breadth of Lavoisier's conception of its nature. 2. Chlorine used in bleaching. [Manufacturing name] | |
From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Acid \Ac"id\, n. 1. A sour substance. 2. (Chem.) One of a class of compounds, generally but not always distinguished by their sour taste, solubility in water, and reddening of vegetable blue or violet colors. They are also characterized by the power of destroying the distinctive properties of alkalies or bases, combining with them to form salts, at the same time losing their own peculiar properties. They all contain hydrogen, united with a more negative element or radical, either alone, or more generally with oxygen, and take their names from this negative element or radical. Those which contain no oxygen are sometimes called {hydracids} in distinction from the others which are called {oxygen acids} or {oxacids}. Note: In certain cases, sulphur, selenium, or tellurium may take the place of oxygen, and the corresponding compounds are called respectively {sulphur acids} or {sulphacids}, {selenium acids}, or {tellurium acids}. When the hydrogen of an acid is replaced by a positive element or radical, a salt is formed, and hence acids are sometimes named as salts of hydrogen; as hydrogen nitrate for nitric acid, hydrogen sulphate for sulphuric acid, etc. In the old chemistry the name acid was applied to the oxides of the negative or nonmetallic elements, now sometimes called anhydrides. | |
From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Oxygenate \Ox"y*gen*ate\, v. t. [imp. & p. p. {Oxygenated}; p. pr. & vb. n. {Oxygenating}.] [Cf. F. oxyg[82]ner.] (Chem.) To unite, or cause to combine, with oxygen; to treat with oxygen; to oxidize; as, oxygenated water (hydrogen dioxide). | |
From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Oxygenate \Ox"y*gen*ate\, v. t. [imp. & p. p. {Oxygenated}; p. pr. & vb. n. {Oxygenating}.] [Cf. F. oxyg[82]ner.] (Chem.) To unite, or cause to combine, with oxygen; to treat with oxygen; to oxidize; as, oxygenated water (hydrogen dioxide). | |
From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Note: Although a gas, hydrogen is chemically similar to the metals in its nature, having the properties of a weak base. It is, in all acids, the base which is replaced by metals and basic radicals to form salts. Like all other gases, it is condensed by great cold and pressure to a liquid which freezes and solidifies by its own evaporation. It is absorbed in large quantities by certain metals (esp. palladium), forming alloy-like compounds; hence, in view of quasi-metallic nature, it is sometimes called {hydrogenium}. It is the typical reducing agent, as opposed to oxidizers, as oxygen, chlorine, etc. {Bicarbureted hydrogen}, an old name for ethylene. {Carbureted hydrogen gas}. See under {Carbureted}. {Hydrogen dioxide}, a thick, colorless liquid, {H2O2}, resembling water, but having a bitter, sour taste, produced by the action of acids on barium peroxide. It decomposes into water and oxygen, and is manufactured in large quantities for an oxidizing and bleaching agent. Called also {oxygenated water}. | |
From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Oxygenate \Ox"y*gen*ate\, v. t. [imp. & p. p. {Oxygenated}; p. pr. & vb. n. {Oxygenating}.] [Cf. F. oxyg[82]ner.] (Chem.) To unite, or cause to combine, with oxygen; to treat with oxygen; to oxidize; as, oxygenated water (hydrogen dioxide). | |
From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Oxygenation \Ox`y*gen*a"tion\, n. [Cf. F. oxyg[82]nation.] (Chem.) The act or process of combining or of treating with oxygen; oxidation. | |
From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Oxidator \Ox"i*da`tor\, n. 1. An oxidizer. [Obs.] 2. A contrivance for causing a current of air to impinge on the flame of the Argand lamp; -- called also {oxygenator}. | |
From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Oxygenator \Ox"y*gen*a`tor\, n. An oxidizer. | |
From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Oxidator \Ox"i*da`tor\, n. 1. An oxidizer. [Obs.] 2. A contrivance for causing a current of air to impinge on the flame of the Argand lamp; -- called also {oxygenator}. | |
From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Oxygenator \Ox"y*gen*a`tor\, n. An oxidizer. | |
From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Oxygenic \Ox`y*gen"ic\, a. (Chem.) Pertaining to, containing, or resembling, oxygen; producing oxygen. | |
From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Oxygenizable \Ox"y*gen*i"za*ble\, a. (Chem.) Oxidizable. | |
From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Oxygenize \Ox"y*gen*ize\, v. t. [imp. & p. p. {Oxygenized}; p pr. & vb. n. {Oxygenizing}.] (Chem.) To oxidize. | |
From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Oxygenize \Ox"y*gen*ize\, v. t. [imp. & p. p. {Oxygenized}; p pr. & vb. n. {Oxygenizing}.] (Chem.) To oxidize. | |
From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Oxygenizement \Ox"y*gen*ize`ment\, n. Oxidation. | |
From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Oxygenize \Ox"y*gen*ize\, v. t. [imp. & p. p. {Oxygenized}; p pr. & vb. n. {Oxygenizing}.] (Chem.) To oxidize. | |
From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Oxygenous \Ox*yg"e*nous\, a. Oxygenic. | |
From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Oxygon \Ox"y*gon\, n. [Gr. [?][?][?][?] sharp + [?][?][?] an angle: cf.F. oxygone.] (Geom.) A triangle having three acute angles. | |
From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Oxygonal \Ox*yg"o*nal\, Oxygonial \Ox`y*go"ni*al\, a. Having acute angles. --Barlow. | |
From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Oxygonal \Ox*yg"o*nal\, Oxygonial \Ox`y*go"ni*al\, a. Having acute angles. --Barlow. | |
From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
Oxyquinoline \Ox`y*quin"o*line\, n. [Oxy (b) + quinoline.] (Chem.) Hydroxy quinoline; a phenol derivative of quinoline, -- called also {carbostyril}. | |
From U.S. Gazetteer (1990) [gazetteer]: | |
Occoquan, VA (town, FIPS 58696) Location: 38.68243 N, 77.26050 W Population (1990): 361 (238 housing units) Area: 0.4 sq km (land), 0.0 sq km (water) | |
From The Elements (22Oct97) [elements]: | |
oxygen Symbol: O Atomic number: 8 Atomic weight: 15.9994 A colourless, odourless gaseous element belonging to group 16 of the periodic table. It is the most abundant element present in the earth's crust. It also makes up 20.8% of the Earth's atmosphere. For industrial purposes, it is separated from liquid air by fractional distillation. It is used in high temperature welding, and in breathing. It commonly comes in the form of Oxygen, but is found as Ozone in the upper atmosphere. It was discovered by Priestley in 1774. |