/ Dictionary / Index G gerontomorphosis: Meaning and Definition of Find definitions for: ge•ron•to•mor•pho•sis Pronunciation: ( ju-ron"tu-môr'fu-sis), [key] — n. evolutionary specialization of a species to a degree that decreases its capability for further adaptation and eventually leads to its extinction. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. gerontology gerontophobia Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language