/ Dictionary / Index A alkylating drug: Meaning and Definition of Find definitions for: al'kylating drug" Pronunciation: [key] — Pharm. Pharm. any of various potentially cytotoxic, carcinogenic, and mutagenic substances: used therapeutically to destroy cells, esp. proliferating cancer cells. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. alkylate alkylation Related Content Daily Word Quiz: pedagogy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language