hyponitrous acid

American

noun

an unstable, crystalline acid, H 2 N 2 O 2 .

hyponitrous acid British

/ ˌhaɪpəˈnaɪtrəs /

noun

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

"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

Etymology

Origin of hyponitrous acid

First recorded in 1820–30

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023