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A tuft like that of the egret. (Bot.)

That which surrounds and influences. The keen, the wholesome air of poverty. Wordsworth.

nder by increasing its radiating surface by means of ribs or radiators, and placing it so that it is exposed to a current of air. Cf. Water cooling. -- Air"-cooled`, a.

ess; sprightliness; as, the soldiers advanced with alacrity to meet the enemy. I have not that alacrity of spirit, Nor cheer of mind that I was wont to have. Shak.

Inability to utter 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.

for awaking persons from sleep, or rousing their attention; an alarum. Alarm bell, a bell that gives notice on danger. -- Alarm clock or watch, a clock or watch which can be so set as to ring or strike loudly at a prearranged hour, to wake from sleep, or excite attention. -- Alarm gauge, a contrivance attached to a s…

hich the light reflected from an unpolished surface bears to the total light falling upon that surface.

An ancient name of England, still retained in poetry. In that nook-shotten isle of Albion. Shak.

tallizable compound of a salt with alcohol, in which the latter plays a part analogous to that of water of crystallization. Graham.

To allay or alleviate; to lighten. [Obs.] That shall alegge this bitter blast. Spenser.

verse consisting in English of twelve syllables. The needless Alexandrine ends the song, That, like a wounded snake, drags its slow length along. Pope.

That branch of mathematics which treats of the relations and properties of quantity by means of letters and other symbols. It is applicable to those relations that are true of every kind of magnitude.

operation; as, algebraic characters; algebraical writings. Algebraic curve, a curve such that the equation which expresses the relation between the coördinates of its points involves only the ordinary operations of algebra; -- opposed to a transcendental curve.

or mode of defense under which a person on trial for a crime proves or attempts to prove that he was in another place when the alleged act was committed; as, to set up an alibi; to prove an alibi.

sthood from the House of Stuart. Macaulay. The recollection of his former life is a dream that only the more alienates him from the realities of the present. I. Taylor.

On my life; dearly. [Obs.] "I love that sport alife." Beau. & Fl.

That which nourishes; food; nutriment; anything which feeds or adds to a substance in natural growth. Hence: The necessaries of life generally: sustenance; means of support. Aliments of theiBacon.

One of a series of compounds that may be regarded as ammonia in which a part of the hydrogen has been replaced by basic, and another part by acid, atoms or radicals.

power; beyond all doubt; you will see us all (or all of us). Prove all things: hold fast that which is good. 1 Thess. v. 21.

erity of affliction or the bitterness of adversity. It would allay the burning quality of that fell poison. Shak.