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meso-(word root) middle
Examples of words with the root meso-: mesomorphic
Abused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embree
1. In the middle; middle: mesoderm.
2. Intermediate: mesophyte.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
meso-or before a vowel
middle or intermediate: mesomorph.
[from Greek mesos middle]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a combining form meaning “middle”: mesoderm. Also, esp. before a vowel, mes-.
[comb. form representing Greek mésos middle, in the middle; akin to Latin medius; see mid1]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.