ex·​ine ˈek-ˌsēn How to pronounce exine (audio)
: the outer of the two major layers forming the walls of some spores and especially pollen grains

Word History


International Scientific Vocabulary ex- + in- fibrous tissue, from Greek in-, is tendon

First Known Use

1839, in the meaning defined above

Time Traveler
The first known use of exine was in 1839

Dictionary Entries Near exine

Cite this Entry

“Exine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/exine. Accessed 18 Jul. 2024.

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