First Known Use: 1847
Dictionary
microspore
noun mi·cro·spore \ˈmī-krə-ˌspȯr\
Definition of MICROSPORE
: any of the spores in heterosporous plants that give rise to male gametophytes and are generally smaller than the megaspore
— mi·cro·spo·rous \ˌmī-krə-ˈspȯr-əs, mī-ˈkräs-pə-rəs\ adjective
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Origin of MICROSPORE
International Scientific Vocabulary
Medical Dictionary
microspore
noun mi·cro·spore \ˈmī-krə-ˌspō(ə)r, -ˌspȯ(ə)r\
Medical Definition of MICROSPORE
1
: any of the spores in heterosporous plants that give rise to male gametophytes and are generally smaller than the megaspore
2
: the smaller of two forms of spores produced by various protozoans (as radiolarians)—compare macrospore
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