/ Dictionary / Index G geratology: Meaning and Definition of Find definitions for: ger•a•tol•o•gy Pronunciation: ( jer"u-tol'u-jē), [key] — n. Biol. the study of the diminution or decline of life, as in an individual animal or a species approaching extinction. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Gerard gerbera Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language