/ Dictionary / Index D decompound: Meaning and Definition of Find definitions for: de•com•pound Pronunciation: (v.dē"kum-pound'adj.dē-kom'pound, dē"kom-pound', -kum-), [key] — v.t. to decompose. to compound a second or further time. —adj. divided into compound divisions. composed of compounds the parts of which are also compounds, as a bipinnate leaf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: decompound (Thesaurus) decomposition decompress Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language