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2017 Word of the Year

mercapto

[mer-kap-toh] /mərˈkæp toʊ/
adjective, Chemistry.
1.
containing the mercapto group; sulfhydryl; thiol.
Origin of mercapto
1970-1975
First recorded in 1970-75; mercapt(an) + -o-
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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