/ Dictionary / Index A abiotrophy: Meaning and Definition of Find definitions for: a•bi•ot•ro•phy Pronunciation: (ā"bī-o'tru-fē, ab"ē-), [key] — n. Pathol. the loss of vitality in or the degeneration of certain cells or tissues, as in the aging process. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: abiotrophy (Thesaurus) abiotic abirritant 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