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