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Word of the Day Wednesday, June 10, 2026

nuclei

/ˈnjuːkliːz/ noun · British & US
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What does nuclei mean?

noun

The plural of nucleus, referring to the central part of an atom, cell, or other structure. In biology, the plural of nucleus can also refer to the cell nucleus.

Example

"The nuclei of the atom were studied using a powerful microscope."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for nuclei

Antonyms of nuclei

Rhymes with nuclei

Etymologically related