arsenic acid

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ar·sen·ic acid

A poisonous, hygroscopic, white, translucent crystalline compound, H3AsO4, occurring chiefly in its hemihydrate form, used to manufacture arsenates and glass, and in treating wood.

arsenic acid

(Elements & Compounds) a white poisonous soluble crystalline solid used in the manufacture of arsenates and insecticides. Formula: H3AsO4

arsen′ic ac′id

a white, crystalline, water-soluble powder, H3AsO4∙½H2O, used esp. in the manufacture of arsenates.
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Noun1.arsenic acid - an acid formed from arsenic pentoxidearsenic acid - an acid formed from arsenic pentoxide
acid - any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt