from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A poisonous, hygroscopic, white, translucent crystalline compound, H3AsO4, occurring chiefly in its hemihydrate form, used to manufacture arsenates and glass, and in treating wood.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun inorganic chemistry A
poisonous, white crystalline compound, H3AsO4, formed from arsenic pentoxide and water; it has the same structureas phosphoric acid, and is used in the manufactureof arsenates.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun an acid formed from arsenic pentoxide
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