/ Dictionary / Index A aldicarb: Meaning and Definition of Find definitions for: al•di•carb Pronunciation: (al'di-kärb"), [key] — n. Chem. a crystalline compound, CHNOS, used on plants as a systemic insecticide, miticide, and nematocide. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. alderwoman Aldine Related Content Daily Word Quiz: denizen Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language