Definition of endosperm
: a nutritive tissue in seed plants formed within the embryo sac by division of the endosperm nucleus
Recent Examples of endosperm from the Web
Then came the efficient steel roller mill with spinning cylinders that discarded the germ and bran to yield a practically unspoilable flour composed solely of the white endosperm — aka white flour.
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Origin and Etymology of endosperm
French endosperme, from end- + Greek sperma seed — more at sperm
First Known Use: 1819
Learn More about endosperm
Britannica.com: Encyclopedia article about endosperm
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