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Word of the Day Wednesday, June 10, 2026

nucleosome

/ˌnjuːkliˈoʊsɒm/ noun · British & US
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What does nucleosome mean?

noun

A basic unit of chromatin in eukaryotic cells, consisting of a segment of DNA wound around a core of histone proteins.

Example

"The nucleosome structure is crucial for the regulation of gene expression in higher organisms."

Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.

Etymologically related

Synonyms for nucleosome

Rhymes with nucleosome