Definition of endosperm in English:

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endosperm

Pronunciation: /ˈɛndə(ʊ)spəːm/

noun

[mass noun] Botany
The part of a seed which acts as a food store for the developing plant embryo, usually containing starch with protein and other nutrients.
Example sentences
  • Thus the three seed components, embryo, endosperm and seed coat, are genetically distinct.
  • Tobacco seeds accumulate oil and protein in the embryo, cellular endosperm and inner layer of the seed coat.
  • Soluble proteins from endosperm and leaf tissues were used.

For editors and proofreaders

Line breaks: endo|sperm

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