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An agent employed in oxidation, or which facilitates or brings about combination with oxygen; as, nitric acid, chlorine, bromine, etc., are strong oxidizers.

ting, a complex nitrogenous acid (C4H5N3O4) not known in the free state, but obtained, in combination with its salts, by a slow oxidation of uric acid, to which it is related.

A foot of four syllables, one long and three short, admitting of four combinations, according to the place of the long syllable. [Written also, less correctly, pæan.]

s whose sum equals a given fraction. -- Partial tones (Music), the simple tones which in combination form an ordinary tone; the overtones, or harmonics, which, blending with a fundamental tone, cause its special quality of sound, or timbre, or tone color. See, also, Tone.

or expression; pathetic quality; as, the pathos of a picture, of a poem, or of a cry. The combination of incident, and the pathos of catastrophe. T. Warton.

The upper aftermost corner of a fore-and-aft sail; -- used in many combinations; as, peak-halyards, peak-brails, etc.

Denoting pound weight for one thousand; -- used in combination, with respect to nails; as, tenpenny nails, nails of which one thousand weight ten pounds.

A picture, or combination of pictures, consisting of a centerpiece and double folding doors or wings, as for an altarpiece.

tters, etc., in all possible orders, one after the other; -- called also alternation. Cf. Combination, n., 4.

Any body of troops or men formed in close array, or any combination of people distinguished for firmness and solidity of a union. At present they formed a united phalanx. Macaulay. The sheep recumbent, and the sheep that grazed, All huddling into phalanx, stood and gazed. Cowper.

ered by the human voice in speech, including the various distinctions, modifications, and combinations of tones; phonetics. Also, a treatise on sounds.

A combination of three optical lanterns for projecting objects on a screen in the colors of nature. The images of three partial photographs taken through color screens (red, green, and blue, respectively) are superimposed. Each image is given its own primary color, and these colors blend and reproduce the colors of th…

A color resulting from the combination of a pure vivid red with more or less white; -- so called from the common color of the flower. Dryden.

The act or method of making combinations for personal advantage secretly or slyly; -- in this sense, usually written as one word. [U.S.]

Inflammation of the pleura and lungs; a combination of pleurisy and pneumonia, esp. a kind of contagions and fatal lung plague of cattle.

The formation of a word by the combination of several simple words, as in the aboriginal languages of America; agglutination. Latham.

A combination of persons contributing money to be used for the purpose of increasing or depressing the market price of stocks, grain, or other commodities; also, the aggregate of the sums so contributed; as, the pool took all the wheat offered below the limit; he put $10,000 into the pool.

A prayer book or breviary; a portass. [Obs.] Portal bracing (Bridge Building), a combination of struts and ties which lie in the plane of the inclined braces at a portal, serving to transfer wind pressure from the upper parts of the trusses to an abutment or pier of the bridge.

hich is prepared, made, or compounded by a certain process or for a particular purpose; a combination. Specifically: (a) Any medicinal substance fitted for use. (b) Anything treated for preservation or examination as a specimen. (c) Something prepared for use in cookery. I wish the chemists had been more sparing who ma…

cular force; the weight and motion of fluids, as water and air; heat obtained by chemical combination, and applied to produce changes in the volume and pressure of steam, air, or other fluids; and electricity, obtained by chemical action, and applied to produce alternation of magnetic force. (b) An engine, or machine,…