/ Dictionary / Index E endobiotic: Meaning and Definition of Find definitions for: en•do•bi•ot•ic Pronunciation: (en"dō-bī-ot'ik), [key] — Biol. Biol. —adj. of or pertaining to an organism that exists as a parasite or symbiont entirely within the tissues of a host organism. —n. any such parasitic or symbiotic organism. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. endo- endoblast 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