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Any aëriform body; a gas; as, oxygen was formerly called vital air. [Obs.]

A chamber or cavity filled with air, in an animal or plant.

, and placing it so that it is exposed to a current of air. Cf. Water cooling. -- Air"-cooled`, a.

An air-filled gap in a magnetic or electric circuit; specif., in a dynamo or motor, the space between the field-magnet poles and the armature; clearance.

ully compressed into a reservoir attached to the gun, by a condensing pump, and is controlled by a valve actuated by the trigger.

A jacket having air-tight cells, or cavities which can be filled with air, to render persons buoyant in swimming.

haust from a condenser the condensed steam, the water used for condensing, and any commingled air.

One of the spaces in different parts. of the bodies of birds, which are filled with air and connected with the air passages of the lungs; an air cell.

f a pump, engine, etc. For the latter, see Air chamber. The air vessels of insects are called tracheæ, of plants spiral vessels.

A lateral division of a building, separated from the middle part, called the nave, by a row of columns or piers, which support the roof or an upper wall containing windows, called the clearstory wall.

both as a medicine and as a condiment. An oil containing thymol is extracted from it. Called also Javanee seed, Javanese seed, and ajava.

Earlier form of Acknow. [Obs.] To be aknow, to acknowledge; to confess. [Obs.]

A box or vessel for holding odoriferous ointments, etc.; -- so called from the stone of which it was originally made. Fosbroke.

r articulate sounds, due either to paralysis of the larynx or to that form of aphasia, called motor, or ataxis, aphasia, due to loss of control of the muscles of speech.

A thin, black silk for hoods, scarfs, etc.; -- often called simply mode. Buchanan.

alalonga. One species (Orcynus thynnus), common in the Mediterranean and Atlantic, is called in New England the horse mackerel; the tunny. [Written also albacore.]

of plastic cement, or artificial stone, consisting chiefly of magnesia and silica; -- called also albolite.

heat. -- Alkali albumin, albumin as modified by the action of alkaline substances; -- called also albuminate.

One of a class of organic principles (called also proteids) which form the main part of organized tissues. Brunton.

ining to Alcæus, a lyric poet of Mitylene, about 6000 b. c. -- n. A kind of verse, so called from Alcæus. One variety consists of five feet, a spondee or iambic, an iambic, a long syllable, and two dactyls.