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hyponitrous acid

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noun
  1. an unstable, crystalline acid, H2N2O2.
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Origin of hyponitrous acid

First recorded in 1820–30
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for hyponitrous acid

hyponitrous acid

noun
  1. a white soluble unstable crystalline acid: an oxidizing and reducing agent. Formula: H 2 N 2 O 2
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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