/ Dictionary / Index D dimercaprol: Meaning and Definition of Find definitions for: di•mer•cap•rol Pronunciation: (dī"mur-kap'rôl, -rol), [key] — n. Chem. a colorless, oily, viscous liquid, CHOS, originally developed as an antidote to lewisite and now used in treating bismuth, gold, mercury, and arsenic poisoning. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dimer dimerize Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language