/ Dictionary / Index E epistemology: Meaning and Definition of Find definitions for: e•pis•te•mol•o•gy Pronunciation: (i-pis"tu-mol'u-jē), [key] — n. a branch of philosophy that investigates the origin, nature, methods, and limits of human knowledge. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: epistemology (Thesaurus) epistemic episternum Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language