dithionous acid

British

/ daɪˈθaɪənəs /

noun

Also called: hyposulphurous acid. hydrosulphurous acid. an unstable dibasic acid known only in solution and in the form of dithionite salts. It is a powerful reducing agent. Formula: H 2 S 2 O 4

"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 dithionous acid

from _di- ¹ + thion-, from Greek theion sulphur + _-ous

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