megaspore
noun
mega·spore
ˈme-gə-ˌspȯr 
: a spore in heterosporous plants giving rise to female gametophytes and usually larger than a microspore
Examples of megaspore in a Sentence
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The soil samples contained fragments of willow and wood, as well as insect parts, spike moss megaspores, fungi and poppy seeds, Halley Mastro, a graduate research assistant at the University of Vermont and co-author of the paper, told ABC News.
—
Julia Jacobo, ABC News, 5 Aug. 2024
Other fossilized finds include a pinecone-like structure with megaspores and some fossilized tree trunks used to estimate the height of the trees, Wang noted.
—Fox News, 9 Aug. 2019
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Julia Jacobo, ABC News, 5 Aug. 2024
Other fossilized finds include a pinecone-like structure with megaspores and some fossilized tree trunks used to estimate the height of the trees, Wang noted.
—Fox News, 9 Aug. 2019
Cite this Entry
“Megaspore.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/megaspore. Accessed 3 Mar. 2025.
Copy CitationKids Definition
megaspore
noun
mega·spore
ˈmeg-ə-ˌspō(ə)r
-ˌspȯ(ə)r
: a plant spore that produces a female gametophyte
Medical Definition
megaspore
noun
mega·spore
ˈmeg-ə-ˌspō(ə)r, -ˌspȯ(ə)r
1
: a spore in heterosporous plants that gives rise to female gametophytes and is generally larger than a microspore
2
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