/ Dictionary / Index D decompose: Meaning and Definition of Find definitions for: de•com•pose Pronunciation: (dē"kum-pōz'), [key] — v., -posed, -pos•ing. —v.t. to separate or resolve into constituent parts or elements; disintegrate: The bacteria decomposed the milk into its solid and liquid elements. —v.i. to rot; putrefy: The egg began to decompose after a day in the sun. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: decompose (Thesaurus) decompensation decomposed Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language