Actable to Acture

(Act"a*ble) a. Capable of being acted. Tennyson.

(Ac"ti*nal) a. (Zoöl.) Pertaining to the part of a radiate animal which contains the mouth. L. Agassiz.

(||Ac`ti*na"ri*a) n. pl. [NL., from Gr. ray.] (Zoöl.) A large division of Anthozoa, including those which have simple tentacles and do not form stony corals. Sometimes, in a wider sense, applied to all the Anthozoa, expert the Alcyonaria, whether forming corals or not.

(Act"ing) a.

1. Operating in any way.

2. Doing duty for another; officiating; as, an acting superintendent.

(||Ac*tin"i*a) n.; pl. L. Actiniæ E. Actinias [Latinized fr. Gr. ray.] (Zoöl.) (a) An animal of the class Anthozoa, and family Actinidæ. From a resemblance to flowers in form and color, they are often called animal flowers and sea anemones. [See Polyp.]. (b) A genus in the family Actinidæ.

(Ac*tin"ic) a. Of or pertaining to actinism; as, actinic rays.

(Ac*tin"i*form) a. [Gr. ray + -form.] Having a radiated form, like a sea anemone.

(Ac"tin*ism) n. The property of radiant energy (found chiefly in solar or electric light) by which chemical changes are produced, as in photography.

(Ac*tin"i*um) n. (Chem.) A supposed metal, said by Phipson to be contained in commercial zinc; — so called because certain of its compounds are darkened by exposure to light.

(Ac`ti*no-chem"is*try) n. Chemistry in its relations to actinism. Draper.

(Ac*tin"o*graph) n. [Gr. ray + -graph.] An instrument for measuring and recording the variations in the actinic or chemical force of rays of light. Nichol.

(Ac"tin*oid) a. [Gr. ray + -oid.] Having the form of rays; radiated, as an actinia.

(Ac*tin"o*lite) n. [Gr. ray + -lite.] (Min.) A bright green variety of amphibole occurring usually in fibrous or columnar masses.

(Ac`tin*o*lit"ic) a. (Min.) Of the nature of, or containing, actinolite.

(Ac`ti*nol"o*gy) n. [Gr. ray + -logy.] The science which treats of rays of light, especially of the actinic or chemical rays.

(Ac*tin"o*mere) n. [Gr. ray + part.] (Zoöl.) One of the radial segments composing the body of one of the Cœlenterata.

(Ac`ti*nom"e*ter) n. [Gr. ray + -meter] (a) An instrument for measuring the direct heating power of the sun's rays. (b) An instrument for measuring the actinic effect of rays of light.

(Ac`ti*no*met"ric) a. Pertaining to the measurement of the intensity of the solar rays, either (a) heating, or (b) actinic.

(Ac`ti*nom"e*try) n.

1. The measurement of the force of solar radiation. Maury.

  By PanEris using Melati.

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