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hyposulfurous acid

American

noun

an acid, H 2 S 2 O 4 , next in a series below sulfurous acid, known only in solution or in the form of its salts.

Etymology

Origin of hyposulfurous acid

First recorded in 1810–20

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

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.