/ Dictionary / Index A amphibiotic: Meaning and Definition of Find definitions for: am•phi•bi•ot•ic Pronunciation: (am"fu-bī-ot'ik), [key] — adj. Zool. living on land during the adult stage and in water during a larval stage. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: amphibiotic (Thesaurus) amphibian amphibious Related Content Daily Word Quiz: drowsy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language