/ Dictionary / Index B biodegradable: Meaning and Definition of Find definitions for: bi•o•de•grad•a•ble Pronunciation: (bī"ō-di-grā'du-bul), [key] — adj. capable of decaying through the action of living organisms: biodegradable paper; biodegradable detergent. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: biodegradable (Thesaurus) biocybernetics biodegrade Related Content Daily Word Quiz: supine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language