SINCE 1828
mesospore
noun
meso·spore
| \ "+ˌ-\
variants:
or less commonly mesosporium \ ¦⸗⸗¦spōrēəm \
plural mesospores\ -z \
or mesosporia\ -ōrēə \
Definition of mesospore
1
: the middle coat of a spore that has three coats
2
: a one-celled spore found among the compound teliospores of some rusts (as members of the genus Puccinia)
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Merriam-Webster unabridged
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