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To make familiar by use; to habituate, familiarize, or inure; - - with to. I shall always fear that he who accustoms himself to fraud in little things, wants only opportunity to practice it in greater. Adventurer.

That division of the Mollusca which includes the bivalve shells, like the clams and oysters; -- so called because they have no evident head. Formerly the group included the Tunicata, Brachiopoda, and sometimes the Bryozoa. See Mollusca.

Without a distinct head; -- a term applied to bivalve mollusks.

Sourness of taste, with bitterness and astringency, like that of unripe fruit.

Resembling little heaps.

Turning sour; readily becoming tart or acid; slightly sour. Faraday.

Shaped like a shallow; saucer-shaped; as, an acetabuliform calyx. Gray.

A limpid, colorless, inflammable liquid from the slow oxidation of alcohol under the influence of platinum black.

An instrument for estimating the amount of acetic acid in vinegar or in any liquid containing acetic acid.

A volatile liquid consisting of three parts of carbon, six of hydrogen, and one of oxygen; pyroacetic spirit, -- obtained by the distillation of certain acetates, or by the destructive distillation of citric acid, starch, sugar, or gum, with quicklime.

Sour like vinegar; acetous.

Having a sour taste; sour; acid. "An acetous spirit." Boyle. "A liquid of an acetous kind." Bp. Lowth.

ortion of two atoms of the former 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.

; -- used specif. in designating the position of an army with the wings separated by some line of demarcation, as a river or road.

To carry on to a final close; to bring out into a perfected state; to accomplish; to perform; -- as, to achieve a feat, an exploit, an enterprise. Supposing faculties and powers to be the same, far more may be achieved in any line by the aid of a capital, invigorating motive than without it. I. Taylor.…

Without a lip.

Free from color; transmitting light without decomposing it into its primary colors.

Needle-shaped; slender like a needle or bristle, as some leaves or crystals; also, having sharp points like needless. A*cic"u*lar*ly, adv.

Marked with fine irregular streaks as if scratched by a needle. Lindley.

our, sharp, or biting to the taste; tart; having the taste of vinegar: as, acid fruits or liquors. Also fig.: Sour-tempered. He was stern and his face as acid as ever. A. Trollope.