megaspore
mega·spore
noun \ˈme-gə-ˌspȯr\Definition of MEGASPORE
: a spore in heterosporous plants giving rise to female gametophytes and usually larger than a microspore
— mega·spor·ic \ˌme-gə-ˈspȯr-ik\ adjective
See Origin of MEGASPORE
International Scientific Vocabulary
First Known Use: 1857
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