hyposulfite

or hy·po·sul·phite

[ hahy-puh-suhl-fahyt ]
/ ˌhaɪ pəˈsʌl faɪt /

noun

Also called hydrosulfite. a salt of hyposulfurous acid.

Origin of hyposulfite

First recorded in 1820–30; hypo- + sulfite
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020