meso-

1.
a combining form meaning “middle,” used in the formation of compound words:
mesocephalic.
Also, especially before a vowel, mes-.
Origin
combining form representing Greek mésos middle, in the middle; akin to Latin medius; see mid1
British Dictionary definitions for meso-

meso-

combining form
1.
middle or intermediate: mesomorph
Word Origin
from Greek misos middle
Word Origin and History for meso-

word-forming element meaning "middle, intermediate, halfway," sometimes mes- before vowels, comb. form of Greek mesos "middle, in the middle; middling, moderate; between" (see medial (adj.)).

meso- in Medicine

meso- or mes-
pref.

  1. In the middle; middle: mesoderm.

  2. Intermediate: mesomere.

  3. Mesentery: mesoileum.

  4. Characterizing a superimposable isomer: meso-2,3-dichlorobutane.