/ Dictionary / Index O ophthalmology: Meaning and Definition of Find definitions for: oph•thal•mol•o•gy Pronunciation: (of"thul-mol'u-jē, -thu-, -thal-, op"-), [key] — n. the branch of medical science dealing with the anatomy, functions, and diseases of the eye. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ophthalmology (Thesaurus) ophthalmologist ophthalmometer Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language