Arsenous acid
a hypothetical acid, h 3 aso 3 or haso 2 , found only in solution or in the form of its salts.
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- Ars gratia artis
art for art’s sake. noun phrase art for the sake of art examples the impressionists’s motto was ‘ars gratia artis’. word origin latin
- Ars longa, vita brevis
art is long, life is short.
- Ars est celare artem
it is art to conceal art; true art conceals the means by which it is achieved. historical examples ars est celare artem—it is the perfection of art to conceal art. dictionary of quotations from ancient and modern, english and foreign sources james wood here, as in all high art, the old motto is in force, […]
- Arshin
a russian unit of length equal to 28 inches (71 cm). historical examples the little man was really one arshin high, and his beard was seven arshins long. old peter’s russian tales arthur ransome it stands the government in about a rouble the arshin, and sells for two roubles. the american quarterly review, no. 17, […]
- Arsine
also called -rs-niuretted hydrogen. a colorless, flammable, slightly water-soluble gas, ash 3 , having a fetid, garliclike odor, used in chemical warfare. any derivative of this compound in which one or more hydrogen atoms are replaced by organic groups. historical examples the dissolved portion is readily converted into arsine by aluminium. poisons: their effects and […]