/ Dictionary / Index A antidesiccant: Meaning and Definition of Find definitions for: an•ti•des•ic•cant Pronunciation: (an"tē-des'i-kunt, an"tī-), [key] — n. Hort. a substance or material applied to a plant, as by spraying, to inhibit moisture loss during transplanting. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. antiderivative antidisestablishmentarian Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language