polar nucleus

noun

Definition of polar nucleus

: either of the two nuclei of a seed plant embryo sac that are destined to form endosperm

First Known Use of polar nucleus

1882, in the meaning defined above

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The first known use of polar nucleus was in 1882

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Dictionary Entries Near polar nucleus

polar maritime air

polar nucleus

polarograph

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Cite this Entry

“Polar nucleus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polar%20nucleus. Accessed 7 Dec. 2021.

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More from Merriam-Webster on polar nucleus

Britannica.com: Encyclopedia article about polar nucleus

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