endosperm nucleus

noun

Definition of endosperm nucleus

: the triploid nucleus formed in the embryo sac of a seed plant by fusion of a sperm nucleus with two polar nuclei or with a nucleus formed by the prior fusion of the polar nuclei

First Known Use of endosperm nucleus

circa 1902, in the meaning defined above

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The first known use of endosperm nucleus was circa 1902

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Cite this Entry

“Endosperm nucleus.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/endosperm%20nucleus. Accessed 29 January 2020.

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