mega·​spore | \ ˈme-gə-ˌspȯr How to pronounce megaspore (audio) \

Definition of megaspore

: a spore in heterosporous plants giving rise to female gametophytes and usually larger than a microspore

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Other Words from megaspore

megasporic \ ˌme-​gə-​ˈspȯr-​ik How to pronounce megasporic (audio) \ adjective

Examples of megaspore in a Sentence

Recent Examples on the Web 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, "419 million-year-old fossilized forest discovered in China," 9 Aug. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'megaspore.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of megaspore

1857, in the meaning defined above

History and Etymology for megaspore

mega- + -spore

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Time Traveler for megaspore

Time Traveler

The first known use of megaspore was in 1857

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Cite this Entry

“Megaspore.” Dictionary, Merriam-Webster, Accessed 25 Sep. 2020.

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More Definitions for megaspore


mega·​spore | \ ˈmeg-ə-ˌspō(ə)r, -ˌspȯ(ə)r How to pronounce megaspore (audio) \

Medical Definition of megaspore

1 : a spore in heterosporous plants that gives rise to female gametophytes and is generally larger than a microspore

Other Words from megaspore

megasporic \ ˌmeg-​ə-​ˈspōr-​ik, -​ˈspȯr-​ How to pronounce megasporic (audio) \ adjective

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