Definition of epi-
1 : upon <epiphyte> : besides <epiphenomenon> : attached to <epididymis> : over <epicenter> : outer <epiblast> : after <epigenesis>
2 a : chemical entity related to (such) another <epimer> b : chemical entity distinguished from (such) another by having a bridge connection <epichlorohydrin>
Variants of epi-
Origin of epi-
Latin, from Greek, from epi on, at, besides, after; akin to Old English eofot crime
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Medical Dictionary: Definition of "epi-"
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