nucleus
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nucleus
- /ˈnjuː.kli.əs/ UK
- /ˈnuː.kli.əs/ US
Where it comes from
Learned borrowing from Latin nucleus (“kernel, core”). The earliest uses refer to the head of a comet and the kernel of a seed, both recorded in Lexicon Technicum in 1704. The sense in atomic physics was coined by British scientist Michael Faraday in 1844 in a theoretical meaning.
noun nuclei · nucleuses
- The core, central part of something, around which other elements are assembled. Situated in the centre of the largest agricultural basin in northern Formosa, T’ai-pei (population in 1964 was estimated to be 1,117,000) forms the nucleus of a major industrial area. The T’ai-pei industrial complex includes light and heavy industies within the urbanized area and also in several ind
- An initial part or version that will receive additions. This collection will form the nucleus of a new library.
- The massive, positively charged central part of an atom, made up of protons and neutrons.
- A large membrane-enclosed organelle found in eukaryotic cells which contains genetic material.
- A ganglion, cluster of many neuronal bodies where synapsing occurs.
- The central part of a syllable, most commonly a vowel.
- A small bee-hive used to create a colony from a larger existing one.
Thesaurus
Closest in meaning: cell nucleus, core, core group, nuclide, focus, stone, cornerstone, cadre, pit, centre, unit, airframe, pole, hub, kernel, cluster
Translations
Every language
noun core, central part of something
| Español | núcleo |
|---|---|
| 한국어 | 핵심 haeksim, 핵 haek |
| 日本語 | 核 kaku, 核心 kakushin |
| 中文 | 核心 héxīn, 核 hé |
| हिन्दी | केंद्र kendra |
| Português | núcleo |
| Français | noyau |
| Deutsch | Kern |
| Italiano | nucleo |
| Ελληνικά | πυρήνας pyrínas |
| Română | nucleu |
| Русский | ядро́ jadró, центр centr |
| العربية | نَوَاة nawāh |
| עברית | גַּרְעִין gar'ín, ליבה \ לִבָּה libá |
noun initial part which will receive additions
| हिन्दी | केंद्र kendra |
|---|---|
| Português | núcleo |
| Italiano | nucleo |
| Ελληνικά | πυρήνας pyrínas |
| Română | nucleu, miez |
| Русский | ядро́ jadró |
noun physics: massive, positively charged core of an atom
| Español | núcleo |
|---|---|
| 한국어 | 원자핵 wonjahaek |
| 日本語 | 原子核 genshikaku |
| 中文 | 原子核 yuánzǐhé |
| हिन्दी | परमाणु नाभिक parmāṇu nābhik, नाभिक nābhik |
| Kiswahili | nyukliasi |
| Português | núcleo |
| Français | noyau |
| Deutsch | Atomkern |
| Italiano | nucleo |
| Ελληνικά | πυρήνας pyrínas |
| Română | nucleu |
| Русский | ядро́ jadró |
| Tiếng Việt | hạt nhân |
| العربية | نَوَاة nawāh |
| עברית | גַּרְעִין gar'ín |
noun cytology: large organelle found in cells
| Español | núcleo |
|---|---|
| 한국어 | 세포핵 sepohaek |
| 日本語 | 細胞核 saibōkaku |
| 中文 | 細胞核 /细胞核 xìbāohé |
| हिन्दी | कोशिका केंद्रक kośikā kendrak, केंद्रक kendrak |
| Kiswahili | nyukliasi |
| Português | núcleo |
| Français | noyau |
| Deutsch | Zellkern, Nukleus |
| Italiano | nucleo |
| Ελληνικά | πυρήνας pyrínas |
| Română | nucleu |
| Русский | ядро́ jadró |
| Tiếng Việt | nhân tế bào, nhân |
| العربية | نَوَاة nawāh |
noun linguistics: centre of a syllable
| Português | núcleo |
|---|---|
| Français | noyau |
| Deutsch | Silbenkern, Nukleus, Silbengipfel |
| Italiano | nucleo |
| Ελληνικά | πυρήνας pyrínas |
| Русский | ядро́ jadró |
Talk about this word "nucleus." Wiktionary, via Micwyn, micwyn.com/word/nucleus. Accessed 6 Nov. 2026. nucleus. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/nucleus "nucleus." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/nucleus.Cite this
@misc{nucleus_2026,
title = {nucleus},
howpublished = {Wiktionary, via Micwyn},
year = {2026},
url = {https://micwyn.com/word/nucleus},
urldate = {2026-11-06}
}
