epi-
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).
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Origin of epi-
<Greek, prefixal use of epí, preposition and adv.
Words nearby epi-
ephod, ephor, Ephraim, Ephraimite, Ephrata, epi-, epiandrosterone, epibenthos, epibiosis, epibiotic, epiblast
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for epi-
epi-
eph- or before a vowel ep-
prefix
on; upon; above; overepidermis; epicentre
in addition toepiphenomenon
afterepigenesis; epilogue
near; close toepicalyx
Word Origin for epi-
from Greek, from epi (prep)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Medical definitions for epi-
epi-
pref.
On; upon:epineural.
Over; above:epibasal.
Around:epicystitis.
Close to; near:epimer.
Besides:epiphenomenon.
After:epigenesis.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.