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nuclein.

A phosphorus-rich protein found in the nucleus of a cell, later specifically nucleohistone or nucleoprotamine; also, any similar compound present in the cell nucleus.

7 characters2 syllables approx.English language

Meaning & usage

noun/ˈnjuː.klɪ.ɪn/UK/ˈn(j)u.kli.ɪn/General-American
  1. A phosphorus-rich protein found in the nucleus of a cell, later specifically nucleohistone or nucleoprotamine; also, any similar compound present in the cell nucleus.

    countable · uncountable
Where this word comes from

From German Nuclein, corresponding to nucleus + -in.

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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.

Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.