/ Dictionary / Index D diamyl sulfide: Meaning and Definition of Find definitions for: di•am'yl sul'fide Pronunciation: (dī-am'ul), [key] — Chem. Chem. a yellow liquid consisting of a mixture of isomers having the formula (CH)S, used chiefly in the preparation of organic sulfur compounds. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Diamox Diana Related Content Daily Word Quiz: blanch Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language