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arsenic acid

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noun Chemistry.
  1. a white, crystalline, water-soluble powder, H3AsO4⋅½H2O, used chiefly in the manufacture of arsenates.
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Origin of arsenic acid

First recorded in 1795–1805
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for arsenic acid

arsenic acid

noun
  1. a white poisonous soluble crystalline solid used in the manufacture of arsenates and insecticides. Formula: H 3 AsO 4
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

arsenic acid in Medicine

arsenic acid

(är-sĕnĭk)
n.
  1. A poisonous, white, translucent crystalline compound used to manufacture medical arsenates.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.