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nitrous acid

noun, Chemistry.
an acid, HNO 2 , known only in solution.
Origin of nitrous acid
First recorded in 1670-80 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for nitrous acid

nitrous acid

a weak monobasic acid known only in solution and in the form of nitrite salts. Formula: HNO2 Systematic name dioxonitric(III) acid
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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nitrous acid in Medicine

nitrous acid n.
A weak inorganic acid existing only in solution or in the form of its salts.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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nitrous acid in Science
nitrous acid  
A weak inorganic acid existing only in solution or in the form of its salts. It can act either as an oxidizing agent or as a reducing agent. Chemical formula: HNO2.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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