/ Dictionary / Index D degenerate matter: Meaning and Definition of Find definitions for: degen'erate mat'ter Pronunciation: [key] — Physics. Physics. matter consisting of atoms that have lost their orbital electrons. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. degenerate degenerate state Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language