/ Dictionary / Index A abiotic: Meaning and Definition of Find definitions for: a•bi•ot•ic Pronunciation: (ā"bī-ot'ik, ab"ē-), [key] — adj. of or characterized by the absence of life or living organisms. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. abiosis abiotrophy Related Content Daily Word Quiz: inutiae Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language