hydrosulfide

or hy·dro·sul·phide

[ hahy-druh-suhl-fahyd, -fid ]
/ ˌhaɪ drəˈsʌl faɪd, -fɪd /

noun

a compound containing the univalent group –HS.

Origin of hydrosulfide

First recorded in 1840–50; hydro-2 + sulfide
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019