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microspore
[ mahy-kruh-spawr, ‑-spohr ]
noun
, Botany.
- the smaller of the two kinds of spores characteristically produced by seed plants and some fern allies, developing into a male gametophyte. Compare megaspore,
- a pollen grain.
microspore
/ ˈmaɪkrəʊˌspɔː /
noun
- the smaller of two types of spore produced by some spore-bearing plants, which develops into the male gametophyte Compare megaspore
- the pollen grain of seed plants
microspore
/ mīk′rə-spôr′ /
- One of the two types of haploid spores produced by a heterosporous plant. Microspores develop into male gametophytes and are usually smaller than megaspores. In angiosperms, the microspore develops into the pollen grain.
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Derived Forms
- ˌmicroˈsporic, adjective
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Other Words From
- mi·cro·spor·ic [mahy-kr, uh, -, spawr, -ik, ‑-, spor, ‑], mi·cro·spor·ous [mahy-kr, uh, -, spawr, -, uh, s, ‑-, spohr, ‑, mahy-, kros, -per-, uh, s], adjective
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Word History and Origins
Origin of microspore1
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Example Sentences
Germination of the microspore begins before it leaves the pollen-sac.
From Project Gutenberg
Microspore, the smaller kind of spore when there are two kinds, 161.
From Project Gutenberg
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