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ec-

  1. variant of ex-3 before a consonant: eccentric.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for ec-

ec-

combining form
  1. out from; away fromecbolic; eccentric; ecdysis
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Word Origin

from Greek ek (before a vowel ex) out of, away from; see ex- 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for ec-

typical form in English of Latin ex-, Greek ex-, ek- before consonants. See ex-.

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Online Etymology Dictionary, © 2010 Douglas Harper

ec- in Medicine

ec-

pref.
  1. Out; outside of:eclabium.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.