mercapto

[ mer-kap-toh ]
/ mərˈkæp toʊ /

adjective Chemistry.

containing the mercapto group; sulfhydryl; thiol.

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Origin of mercapto

First recorded in 1970–75; mercapt(an) + -o-
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020