See also: nucléus
Borrowed from Latin nucleus (“kernel, core”), a diminutive of nux (“nut”). 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 English scientist Michael Faraday in 1844 in a theoretical meaning.
- (Received Pronunciation) IPA(key): /ˈnjuː.kli.əs/
- (General American) IPA(key): /ˈnuː.kli.əs/
Audio (US) (file)
nucleus (plural nuclei or nucleuses)
- The core, central part of something, around which other elements are assembled.
- An initial part or version that will receive additions.
- This collection will form the nucleus of a new library.
- (chemistry, physics) The massive, positively charged central part of an atom, made up of protons and neutrons.
- (cytology) A large membrane-enclosed organelle found in eukaryotic cells which contains genetic material.
- (neuroanatomy) A ganglion, cluster of many neuronal bodies where synapsing occurs.
- (phonetics, phonology) The central part of a syllable, most commonly a vowel.
core, central part of something
initial part which will receive additions
physics: massive, positively charged core of an atom
cytology: large organelle found in cells
neuroanatomy: cluster of many neuronal bodies
linguistics: centre of a syllable
- The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.
Translations to be checked
Borrowed from Latin nūcleus (“kernel, core”), diminutive of nux (“nut”).
nucleus m (plural nucleussen or nuclei, diminutive nucleusje n)
A diminutive of nux (“nut”), with an irregular change of gender from feminine to masculine.
- (Classical) IPA(key): /ˈnu.kle.us/, [ˈnʊkɫ̪eʊs̠] or IPA(key): /ˈnuk.le.us/, [ˈnʊkɫ̪eʊs̠]
- (Ecclesiastical) IPA(key): /ˈnu.kle.us/, [ˈnuːkleus] or IPA(key): /ˈnuk.le.us/, [ˈnukleus]
nucleus m (genitive nucleī); second declension
- “nū̆clĕus (nŭcŭlĕus)”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
- nŭclĕus in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette, page 1,043/1
- “nucleus” on page 1,199 of the Oxford Latin Dictionary (1st ed., 1968–82)