hyposulfurous

[ hahy-puh-suhl-fyoo r-uh s, -suhl-fer-uh s ]
/ ˌhaɪ pə sʌlˈfyʊər əs, -ˈsʌl fər əs /

adjective

of or derived from hyposulfurous acid.
Also hydrosulfurous, hy·po·sul·phur·ous.

Origin of hyposulfurous

First recorded in 1810–20; hypo- + sulfurous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019