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extine

 - 2 dictionary results

ex⋅tine

[ek-steen, -stahyn]
–noun Botany.
exine.

Origin:
1825–35; < L ext(imus) most outward + -ine 1

ex⋅ine

[ek-seen, -sahyn]
–noun Botany.
the outer coat of a spore, esp. a pollen grain.
Also, extine.


Origin:
1880–85; ex- 1 + -ine 1
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Based on the Random House Dictionary, © Random House, Inc. 2009.
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