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Pertaining to an acrobat. -- Ac`ro*bat"ic*al*ly, adv.

Of or pertaining to the high mountain range of "thunder- smitten" peaks (now Kimara), between Epirus and Macedonia. Shelley.

lizards having the teeth immovably united to the top of the alveolar ridge. -- a. Of or pertaining to the acrodonts.

Pertaining to, or like, an acrolith.

Of or pertaining to the acromion. Dunglison.

Pertaining to an acropolis.

Pertaining to, or characterized by, acrostics.

Pertaining to an acroterium; as, ornaments. P. Cyc.

Pertaining to or affecting the surface.

ne or doing; the exercise of power, or the effect, of which power exerted is the cause; a performance; a deed. That best portion of a good man's life, His little, nameless, unremembered acts Of kindness and of love. Wordsworth. Hence, in specific uses:

Pertaining to the part of a radiate animal which contains the mouth. L. Agassiz.

Of or pertaining to actinism; as, actinic rays.

Pertaining to the measurement of the intensity of the solar rays, either (a) heating, or (b) actinic.

Pertaining to, or causing the production of, sound by means of the actinic, or ultraviolet, rays; as, actinophonic phenomena.

Of or pertaining to the Actinozoa.

y acts on another; the effect of power exerted on one body by another; agency; activity; operation; as, the action of heat; a man of action. One wise in council, one in action brave. Pope.

A theatrical performer; a stageplayer. After a well graced actor leaves the stage. Shak.

Involving or comprising action; active. [Obs.] Her walking and other actual performances. Shak. Let your holy and pious intention be actual; that is . . . by a special prayer or action, . . . given to God. Jer. Taylor.

Of or pertaining to actuaries; as, the actuarial value of an annuity.

incite to action; to influence actively; to move as motives do; -- more commonly used of persons. Wings, which others were contriving to actuate by the perpetual motion. Johnson. Men of the greatest abilities are most fired with ambition; and, on the contrary, mean and narrow minds are the least actuated by it. Addiso…