endosperm nucleus

noun

: 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

Word History

First Known Use

circa 1902, in the meaning defined above

Time Traveler
The first known use of endosperm nucleus was circa 1902

Dictionary Entries Near endosperm nucleus

endosperm

endosperm nucleus

Endosphaeraceae

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Cite this Entry

“Endosperm nucleus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/endosperm%20nucleus. Accessed 30 Nov. 2023.

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