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arsenious acid.
arsenous acid
Americannoun
Chemistry.
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a hypothetical acid, H 3 AsO 3 or HAsO 2 , found only in solution or in the form of its salts.
Etymology
Origin of arsenous acid
First recorded in 1790–1800
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
