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definitions

mero-

  1. a combining form meaning “part,” “partial,” used in the formation of compound words: merogony.

Origin of mero-

From the Greek word méros part
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for mero-

mero-

combining form
  1. part or partialmerocrine

Word Origin for mero-

from Greek meros part, share
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 mero-

before vowels mer-, word-forming element meaning "part, partial, fraction," from comb. form of Greek meros "part, fraction" (see merit (n.)).

Online Etymology Dictionary, © 2010 Douglas Harper
mero- in Medicine

mero-

pref.
  1. Part; segment:merogenesis.
  2. Partial; partially:meromelia.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.