Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The outer layer of the wall of a spore or pollen grain.

from The Century Dictionary.

  • noun Same as extine.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun botany, palynology the outer layer of a pollen grain or spore; the exosporium

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[ex(o)– + Greek īs, īn-, tendon; see wei- in Indo-European roots.]

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Examples

  • Sporodex's exine technology is not currently available for commercial use, but Mackenzie told NutraIngredients. com that multinational companies are currently assessing the technology in their own laboratories, and others are looking at ways to scale up or provide companies with estimates of how much it would cost to produce the pollen on a commercial scale.

    NutraIngredients-USA RSS 2010

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