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exosporium

 - 3 dictionary results

ex⋅o⋅spo⋅ri⋅um

  [ek-soh-spawr-ee-uhm, -spohr-]
Use exosporium in a Sentence
–noun, plural -ri⋅a [-ree-uh] .
exine.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To exosporium
ex·ine   (ěk'sēn', -sīn')   
n.  The outer layer of the wall of a spore or pollen grain. Also called exosporium.

[ex(o)- + Greek īs, īn-, tendon; see wei- in Indo-European roots.]
ex·o·spor·i·um   (ěk'sō-spôr'ē-əm, -spōr'-)   
n.   pl. ex·o·spor·i·a (-ē-ə)
See exine.

[New Latin : exo- + Greek sporā, spore; see sper- in Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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