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A crystalline ketone, CH3COC6H5, which may be obtained by the dry distillation of a mixture of the calcium salts of acetic and benzoic acids. It is used as a hypnotic under the name of hypnone.

A gaseous compound of carbon and hydrogen, in the proportion 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. W…

Savage fierceness; ferocity.

d, as in the buttercup; -- called a naked seed by the earlier botanists. [Written also akene and achænium.]

Acidity; sourness.

Same as Akinesia.

A group of suctorial Infusoria, which in the adult stage are stationary. See Suctoria.

Resembling the Acinetæ.

A pustular affection of the skin, due to changes in the sebaceous glands.

An organic base, in the form of a white powder, obtained from Aconitum lycoctonum. Eng. Cyc.

An intensely poisonous alkaloid, extracted from aconite.

Furnished or loaded with acorns.

State of being acquainted; degree of acquaintance. [R.] Boyle.

The quality of being acquisitive; propensity to acquire property; desire of possession.

The quality of being acrid or pungent; irritant bitterness; acrimony; as, the acridity of a plant, of a speech.

The quality of being acrimonious; asperity; acrimony.

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

The quality of being active; nimbleness; quickness of motion; activity.

Quality of being actual; actuality.

The quality of being acute or pointed; sharpness; as, the acuteness of an angle.