Actinograph :: Actinograph (n.) An instrument for measuring and recording the variations in the actinic or chemical force of rays of light.

Actinoid :: Actinoid (a.) Having the form of rays; radiated, as an actinia..

Actinolite :: Actinolite (n.) A bright green variety of amphibole occurring usually in fibrous or columnar masses.

Actinolitic :: Actinolitic (a.) Of the nature of, or containing, actinolite..

Actinology :: Actinology (n.) The science which treats of rays of light, especially of the actinic or chemical rays..

Actinomere :: Actinomere (n.) One of the radial segments composing the body of one of the Coelenterata.

Actinometer :: Actinometer (n.) An instrument for measuring the direct heating power of the sun's rays.

Actinometer :: Actinometer (n.) An instrument for measuring the actinic effect of rays of light.

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

Actinometry :: Actinometry (n.) The measurement of the force of solar radiation.

Actinometry :: Actinometry (n.) The measurement of the chemical or actinic energy of light.

Actinophorous :: Actinophorous (a.) Having straight projecting spines.

Actinosome :: Actinosome (n.) The entire body of a coelenterate.

Actinost :: Actinost (n.) One of the bones at the base of a paired fin of a fish.

Actinostome :: Actinostome (n.) The mouth or anterior opening of a coelenterate animal.

Actinotrocha :: Actinotrocha (n. pl.) A peculiar larval form of Phoronis, a genus of marine worms, having a circle of ciliated tentacles..

Actinozoa :: Actinozoa (n. pl.) A group of Coelenterata, comprising the Anthozoa and Ctenophora. The sea anemone, or actinia, is a familiar example..

Actinozoal :: Actinozoal (a.) Of or pertaining to the Actinozoa.

Actinozoon :: Actinozoon (n.) One of the Actinozoa.

Actinula :: Actinula (n. pl.) A kind of embryo of certain hydroids (Tubularia), having a stellate form..

Action :: Action (n.) A process or condition of acting or moving, as opposed to rest; the doing of something; exertion of power or force, as when one body 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..

Action :: Action (n.) An act; a thing done; a deed; an enterprise. (pl.): Habitual deeds; hence, conduct; behavior; demeanor..

Action :: Action (n.) The event or connected series of events, either real or imaginary, forming the subject of a play, poem, or other composition; the unfolding of the drama of events..

Action :: Action (n.) Movement; as, the horse has a spirited action..

Action :: Action (n.) Effective motion; also, mechanism; as, the breech action of a gun..

Action :: Action (n.) Any one of the active processes going on in an organism; the performance of a function; as, the action of the heart, the muscles, or the gastric juice..

Action :: Action (n.) Gesticulation; the external deportment of the speaker, or the suiting of his attitude, voice, gestures, and countenance, to the subject, or to the feelings..

Action :: Action (n.) The attitude or position of the several parts of the body as expressive of the sentiment or passion depicted.

Action :: Action (n.) A suit or process, by which a demand is made of a right in a court of justice; in a broad sense, a judicial proceeding for the enforcement or protection of a right, the redress or prevention of a wrong, or the punishment of a public offense..

Action :: Action (n.) A right of action; as, the law gives an action for every claim..

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