mercapto

[ mer-kap-toh ]
/ mərˈkæp toʊ /

adjective Chemistry.

containing the mercapto group; sulfhydryl; thiol.

Origin of mercapto

First recorded in 1970–75; mercapt(an) + -o-
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019