sporopollenin

noun
spo·​ro·​pol·​len·​in | \ ˌspȯr-ə-ˈpä-lə-nən How to pronounce sporopollenin (audio) \

Definition of sporopollenin

: a relatively chemically inert polymer that makes up the outer layer of pollen grains and some spores

First Known Use of sporopollenin

1931, in the meaning defined above

History and Etymology for sporopollenin

International Scientific Vocabulary spor- + pollen + -in entry 1

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The first known use of sporopollenin was in 1931

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Dictionary Entries Near sporopollenin

sporophyll

sporophyte

sporoplasm

sporopollenin

sporosac

sporotrichosis

-sporous

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Cite this Entry

“Sporopollenin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sporopollenin. Accessed 24 Jul. 2021.

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More from Merriam-Webster on sporopollenin

Britannica.com: Encyclopedia article about sporopollenin

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