núcleo.
nucleus (core, central part of something)
Meaning & usage
nucleus (core, central part of something)
núcleo urbano
núcleo duro
nucleus (initial part which will receive additions)
nucleus (massive, positively charged core of an atom)
nucleus (large organelle found in cells)
nucleus (centre of a syllable)
Where this word comes from
Etymology tree Proto-Italic *knuks Latin nux Latin nū̆cleuslbor. Portuguese núcleo Learned borrowing from Latin nū̆cleus (“kernel, core”).
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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.