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sporopollenin
[ spawr-uh-pol-uh-nin ]
noun
- an inert, tough polymer forming the resistant outer coat of a pollen grain or spore.
sporopollenin
/ spôr′ə-pŏl′ə-nĭn /
- An organic polymer that is extremely resistant to degradation. Pollen grains and many kinds of spores have a protective outer coating of sporopollenin, which is so durable that microfossils of sporopollenin are found in rocks over 500 million years old.
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Word History and Origins
Origin of sporopollenin1
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