/ Dictionary / Index A alkanethiol: Meaning and Definition of Find definitions for: al•kane•thi•ol Pronunciation: (al"kān-thī'ôl, -ol), [key] — n. Chem. any compound containing an alkyl group joined to a mercapto group, as methyl mercaptan or methanethiol, CHSH. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. alkanet alkannin Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language