microspore

noun

mi·​cro·​spore ˈmī-krə-ˌspȯr How to pronounce microspore (audio)
: any of the spores in heterosporous plants that give rise to male gametophytes and are generally smaller than the megaspore

Word History

Etymology

International Scientific Vocabulary

First Known Use

1847, in the meaning defined above

Time Traveler
The first known use of microspore was in 1847

Dictionary Entries Near microspore

Cite this Entry

“Microspore.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/microspore. Accessed 8 Nov. 2024.

Medical Definition

microspore

noun
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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