polar nucleus

noun

plural polar nuclei
: either of the nuclei in the embryo sac of a flowering plant that form the nutritive endosperm

Word History

First Known Use

1882, in the meaning defined above

Time Traveler
The first known use of polar nucleus was in 1882

Dictionary Entries Near polar nucleus

Cite this Entry

“Polar nucleus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polar%20nucleus. Accessed 18 Jul. 2024.

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