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1. a prefix occurring in loanwords from Greek, where it meant “upon,” “on,” “over,” “near,” “at,” “before,” “after” (epicedium; epidermis; epigene; epitome); on this model, used in the formation of new compound words (epicardium; epinephrine). prefix 1. on; upon; above; over: epidermis, epicentre 2. in addition to: epiphenomenon 3. after: epigenesis, epilogue 4. near; close […]
[ep-uh-ben-thos] /ˌɛp əˈbɛn θɒs/ noun, Biology. 1. the aggregate of organisms living on the sea bottom between low tide and 100 fathoms (180 meters).
/ˌɛpɪbaɪˈəʊsɪs/ noun 1. any relationship between two organisms in which one grows on the other but is not parasitic on it See also epiphyte, epizoite
[ep-uh-bahy-ot-ik] /ˌɛp ə baɪˈɒt ɪk/ Biology adjective 1. of or relating to an organism that lives, usually parasitically, both on the surface and within the body of its host. noun 2. any such organism, as certain fungi.