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sporopollenin

[ spawr-uh-pol-uh-nin ]

noun

  1. an inert, tough polymer forming the resistant outer coat of a pollen grain or spore.


sporopollenin

/ spôr′ə-pŏlə-nĭn /

  1. 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

First recorded in 1930–35; sporo- ( def ) + pollen ( def ) + -in 2( def )

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sporoplasmsporotrichosis