/ Dictionary / Index T typhlology: Meaning and Definition of Find definitions for: typh•lol•o•gy Pronunciation: (tif-lol'u-jē), [key] — n. the study of the causes and treatment of blindness. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. typhlitis typhlosis Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language