a. [ L. ab + E. actinal. ] (Zool.) Pertaining to the surface or end opposite to the mouth in a radiate animal; -- opposed to actinal. “The aboral or abactinal area.” L. Agassiz. [ 1913 Webster ]

adj. 1. (Physiol.) drawing away from the midline of the body or from an adjacent part; -- used especially of muscles adducent
Syn. -- abducent [ WordNet 1.5 ]

{ } n. [ See Abietene. ] (Chem.) A resinous obtained from Strasburg turpentine or Canada balsam. It is without taste or smell, is insoluble in water, but soluble in alcohol (especially at the boiling point), in strong acetic acid, and in ether. Watts. [ 1913 Webster ]

a. Of or pertaining to abietin; as, abietinic acid. [ 1913 Webster ]

n. [ F. abstinence, L. abstinentia, fr. abstinere. See Abstain. ] 1. The act or practice of abstaining; voluntary forbearance of any action, especially the refraining from an indulgence of appetite, or from customary gratifications of animal or sensual propensities. Specifically, the practice of abstaining from intoxicating beverages, -- called also total abstinence. [ 1913 Webster ]

The abstinence from a present pleasure that offers itself is a pain, nay, oftentimes, a very great one. Locke. [ 1913 Webster ]

2. The practice of self-denial by depriving one's self of certain kinds of food or drink, especially of meat. [ 1913 Webster ]

Penance, fasts, and abstinence,
To punish bodies for the soul's offense. Dryden. [ 1913 Webster ]

n. Abstinence. [ R. ] [ 1913 Webster ]

a. [ F. abstinent, L. abstinens, p. pr. of abstinere. See Abstain. ] Refraining from indulgence, especially from the indulgence of appetite; abstemious; continent; temperate. Beau. & Fl. [ 1913 Webster ]

n. 1. One who abstains. [ 1913 Webster ]

2. (Eccl. Hist.) One of a sect who appeared in France and Spain in the 3d century. [ 1913 Webster ]

adv. With abstinence. [ 1913 Webster ]

n. 1. the act of giving special importance or significance to something.
Syn. -- emphasizing [ WordNet 1.5 ]

a. Affording, or disposed to afford, accommodation; obliging; as an accommodating man, spirit, arrangement. [ 1913 Webster ]

n. (Chem.) A combination of acetic acid with glycerin. Brande & C. [ 1913 Webster ]

‖n. [ NL., from Gr. &unr_; agate. ] (Zool.) A genus of land snails, often large, common in the warm parts of America and Africa. [ 1913 Webster ]

n. (Biol.) Tissue which is not stained by fluid dyes. W. Flemming. [ 1913 Webster ]

adj. 1. not readily colored by stains; -- of substance of a cell nucleus chromatinic [ WordNet 1.5 ]

n. [ From the name of the plant. ] (Chem.) An organic base, in the form of a white powder, obtained from Aconitum lycoctonum. Eng. Cyc. [ 1913 Webster ]

n. (Chem.) An intensely poisonous alkaloid, extracted from aconite. [ 1913 Webster ]

a. [ Gr. &unr_;, &unr_;, ray. ] (Zool.) Pertaining to the part of a radiate animal which contains the mouth. L. Agassiz. [ 1913 Webster ]

‖n. pl. [ NL., from Gr. &unr_;, &unr_;, ray. ] (Zool.) An order 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. [ 1913 Webster ]

a. 1. Operating in any way. [ 1913 Webster ]

2. Doing duty for another; officiating; as, an acting superintendent. [ 1913 Webster ]

‖n.; pl. L. Actiniæ E. Actinias [ Latinized fr. Gr. &unr_;, &unr_;, ray. ] (Zool.) (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. [ 1913 Webster ]

n. 1. any sea anemone or related animal.
Syn. -- actinia, actiniarian [ WordNet 1.5 ]

n. 1. 1 the order comprising sea anemones.
Syn. -- order Actiniaria, Actinaria, order Actinaria [ WordNet 1.5 ]

n. 1. any sea anemone or related animal.
Syn. -- actinia, actinian [ WordNet 1.5 ]

a. Of or pertaining to actinism; as, actinic rays. [ 1913 Webster ]

n. 1. 1 a small Asiatic woody vine bearing many-seeded fruit.
Syn. -- genus Actinidia. [ WordNet 1.5 ]

n. 1. 1 tropical trees or shrubs or woody vines.
Syn. -- family Actinidiaceae [ WordNet 1.5 ]

a. [ Gr. &unr_;, &unr_;, ray + -form. ] Having a radiated form, like a sea anemone. [ 1913 Webster ]

n. 1. 1 a genus of terrestrial ferns of tropical Asia and Africa.
Syn. -- genus Actiniopteris. [ WordNet 1.5 ]

n. [ Gr. &unr_;, &unr_; ray. ] The property of radiant energy (found chiefly in solar or electric light) by which chemical changes are produced, as in photography. [ 1913 Webster ]

n. [ Gr. &unr_;, &unr_;, ray. ] (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. [ 1913 Webster ]

n. Chemistry in its relations to actinism. Draper. [ 1913 Webster ]

n. [ Gr. &unr_;, &unr_;, ray + -gram. ] A record made by the actinograph.
[ Obsolescent ] [ Webster 1913 Suppl. ]

n. [ Gr. &unr_;, &unr_;, ray + -graph. ] An instrument for measuring and recording the variations in the actinic or chemical force of rays of light. Nichol. [ 1913 Webster ]

a. [ Gr. &unr_;, &unr_;, ray + -oid. ] Having the form of rays; radiated, as an actinia. [ 1913 Webster ]

n. [ Gr. &unr_;, &unr_;, ray + -lite. ] (Min.) A bright green variety of amphibole occurring usually in fibrous or columnar masses. [ 1913 Webster ]

a. (Min.) Of the nature of, or containing, actinolite. [ 1913 Webster ]

n. [ Gr. &unr_;, &unr_;, ray + -logy. ] The science which treats of rays of light, especially of the actinic or chemical rays. [ 1913 Webster ]

n. [ Gr. &unr_;, &unr_;, ray + &unr_; part. ] (Zool.) One of the radial segments composing the body of one of the Cœlenterata. [ 1913 Webster ]

n. [ Gr. &unr_;, &unr_;, 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. [ 1913 Webster ]

a. Pertaining to the measurement of the intensity of the solar rays, either (a) heating, or (b) actinic. [ 1913 Webster ]

n. 1. The measurement of the force of solar radiation. Maury. [ 1913 Webster ]

2. The measurement of the chemical or actinic energy of light. Abney. [ 1913 Webster ]

n. 1. 1 filamentous or rod-shaped bacteria.
Syn. -- order Actinomycetales [ WordNet 1.5 ]

n. 1. branched gram-positive bacteria, often found in soil, some of which are pathogenic for humans and animals. some species have been found to produce metabolites which are useful in medicine. Many species of these bacteria have been isolated and extensively screened by pharmaceutical companies and university research groups for production of useful therapeutic agents. Among the agent produced by actinomycetes are tetracyclines, streptomycin, avermectin, and thienamycin [ WordNet 1.5 ]

adj. 1. of or pertaining to actinomycetes.
Syn. -- actinomycetal [ WordNet 1.5 ]

n. [ From actinomyces, the genus of the organism in which they were first found. ] 1. any of various red antibiotics isolated from soil bacteria with a three-ring heterocyclic nucleus with an attached peptide chain. Actinomycin D is the most well-known and has been used to treat certain tumors. They act by binding to DNA and inhibiting the transcription of RNA. Their binding to DNA has been much studied.
Syn. -- actinomycin actinomycin C actinomycin F1 actinomycin D [ WordNet 1.5 ]

n. [ From actinomyces, the genus of the organism in which they were first found. ] The most well-known of the actinomycins (C62H86N12O16), a class of antibiotics which act by binding to DNA and inhibiting synthesis of RNA; they act agains gram-positive bacteria and many eukaryotic organisma. Actinomycin D has been used in human medicine to treat certain tumors.
Syn. -- dactinomycin, actinomycin IV, Cosmegen[ trade name ], actinomycin C1, actinomycin I1 [ PJC ]

n. [ NL. ] (Med.) A chronic infectious disease of cattle and man due to infection with actinomycetes, especially by Actinomyces bovis in cattle and by Actinomyces israeli or Arachnia propionica in man. It is characterized by hard swellings usually in the mouth and jaw. In man the disease may also affect the abdomen or thorax. In cattle it is called also lumpy jaw or big jaw. [ Webster 1913 Suppl. + AS ]

adj. (Med.) Of or pertaining to actinomycosis. [ WordNet 1.5 ]

n. 1. an order comprising parasites of worms.
Syn. -- order Actinomyxidia. [ WordNet 1.5 ]