Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The outer membrane of the grains of pollen of flowering plants.

from the GNU version of the Collaborative International Dictionary of English

  • n. The outer membrane of the grains of pollen of flowering plants.

from The Century Dictionary and Cyclopedia

  • n. In botany, the outer coat of the pollengrain or of a spore. Also exine.

Etymologies

Latin exter on the outside. Compare intine. (Wiktionary)

Examples

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