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selenious acid

noun, Chemistry.
a colorless, crystalline, water-soluble, poisonous powder, H 2 SeO 3 , used chiefly as a reagent.
Origin of selenious acid
First recorded in 1825-35 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for selenious acid

selenious acid

a white soluble crystalline strong dibasic acid analogous to sulphurous acid. Formula: H2SeO3
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
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