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Brisk; joyously active; lively. 'T were well if we were a little more alacrious. Hammond.

Watchful; vigilant; active in vigilance.

Attractive power; attractiveness. [Obs.] Sir T. Browne.

Rays of relatively low penetrating power emitted by radium and other radioactive substances, and shown to consist of positively charged particles (perhaps particles of helium) having enormous velocities but small masses. They are slightly deflected by a strong magnetic or electric field.

air and taking oxygen in the process of respiration; and by increasing in motive power or active aggressive force with progress to maturity.

Violent hatred leading to active opposition; active enmity; energetic dislike. Macaulay.

Unequal refractive power in the two eyes.

Counteractive of acidity.

To contend with; to oppose actively; to counteract.

Counteractive of bilious complaints; tending to relieve biliousness.

Counteractive of hypochondria. -- n.

A substance which prevents or retards putrefaction, or destroys, or protects from, putrefactive organisms; as, salt, carbolic acid, alcohol, cinchona.

unteracting or preventing putrefaction, or a putrescent tendency in the system; antiputrefactive. Antiseptic surgery, that system of surgical practice which insists upon a systematic use of antiseptics in the performance of operations and the dressing of wounds.

a calmness, indolence, or state of indifference, incapable of being ruffled or roused to active interest or exertion by pleasure, pain, or passion. "The apathy of despair." Macaulay. A certain apathy or sluggishness in his nature which led him . . . to leave events to take their own course. Prescott. According to the…

In an arch manner; with attractive slyness or roguishness; slyly; waggishly. Archly the maiden smiled. Longfellow.

Sagacious; acute; subtle; shrewd. The active preacher . . . the argue schoolman. Milman.

es, arranges, and equips its armed land forces. The usual divisions are: (1) A regular or active army, in which soldiers serve continuously with the colors and live in barracks or cantonments when not in the field; (2) the reserves of this army, in which the soldiers, while remaining constantly subject to a call to the…

An active principle of Arnica montana. It is a bitter resin.

first of which is the true arsenticum of the ancients. The element and its compounds are active poisons. Specific gravity from 5.7 to 5.9. Atomic weight. Symbol As.

e under All, Home, Large, Last (phrase and syn.), Length, Once, etc. -- At it, busily or actively engaged. -- At least. See Least and However. -- At one. See At one, in the Vocabulary.