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endosperm

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noun en·do·sperm \ˈen-dō-ˌspərm\

Definition of endosperm

  1. :  a nutritive tissue in seed plants formed within the embryo sac by division of the endosperm nucleus



Origin of endosperm

French endosperme, from end- + Greek sperma seed — more at sperm


First Known Use: 1819


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