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Of a pertaining to vinegar; producing vinegar; producing vinegar; as, acetic fermentation.

er to two of the latter. It is a colorless gas, with a peculiar, unpleasant odor, and is produced for use as an illuminating gas in a number of ways, but chiefly by the action of water on calcium carbide. Its light is very brilliant. Watts.

as crown and flint glass, with the curvatures so adjusted that the chromatic aberration produced by the one is corrected by other, and light emerges from the compound lens undecomposed. -- Achromatic prism. See Prism. -- Achromatic telescope, or microscope, one in which the chromatic aberration is corrected, usually…

Producing acidity; converting into an acid. Dana.

A simple or compound principle, whose presence is necessary to produce acidity, as oxygen, chlorine, bromine, iodine, etc.

ly by a chemical process based on the law of chemical combinations, or the fact that, to produce a complete reaction, a certain definite weight of reagent is required. -- Ac`id*i*met"ric*al, a.

to inform; to make cognizant; -- followed by with (formerly, also, by of), or by that, introducing the intelligence; as, to acquaint a friend with the particulars of an act. Acquaint her here of my son Paris' love. Shak. I must acquaint you that I have received New dated letters from Northumberland. Shak.…

hich is evidence of a discharge; a receipt in full, which bars a further demand. You can produce acquittances For such a sum, from special officers. Shak.

A piece of land, containing 160 square rods, or 4,840 square yards, or 43,560 square feet. This is the English statute acre. That of the United States is the same. The Scotch acre was about 1.26 of the English, and the Irish 1.62 of the English.

Of an acre; per acre; as, the acreable produce.

y irritating; as, acrid temper, mind, writing. Acrid poison, a poison which irritates, corrodes, or burns the parts to which it is applied.

A quality of bodies which corrodes or destroys others; also, a harsh or biting sharpness; as, the acrimony of the juices of certain plants. [Archaic] Bacon.

affairs with a desire no greater than our necessity. Jer. Taylor. Industry doth beget by producing good habits, and facility of acting things expedient for us to do. Barrow. Uplifted hands that at convenient times Could act extortion and the worst of crimes. Cowper.

radiant energy (found chiefly in solar or electric light) by which chemical changes are produced, as in photography.

An apparatus for the production of sound by the action of the actinic, or ultraviolet, rays.

Pertaining to, or causing the production of, sound by means of the actinic, or ultraviolet, rays; as, actinophonic phenomena.

gan pipe. Grove. Chose in action. (Law) See Chose. -- Quantity of action (Physics), the product of the mass of a body by the space it runs through, and its velocity.

Implying or producing rapid action; as, an active disease; an active remedy.

A genus of ferns (Ophioglossum), whose seeds are produced on a spike resembling a serpent's tongue.

disease endemic in various parts of tropical Asia, due to a specific microörganism which produces chronic ulcers on the limbs. It is often fatal. Called also Cochin China ulcer, Persian ulcer, tropical ulcer, etc.