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Webster 1913 Edition

Extine

Ex′tine

(?; 104)
,
Noun.
[L.
exter
on the outside. Cf.
Intine
.]
(bot.)
The outer membrane of the grains of pollen of flowering plants.

Definition 2024

extine

extine

English

Noun

extine ‎(plural extines)

  1. (botany) The outer membrane of the grains of pollen of flowering plants.

Etymology

From Latin exter ‎(“on the outside”). Compare intine.

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