See also: nucléus

English edit

 
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Etymology edit

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 English scientist Michael Faraday in 1844 in a theoretical meaning.

Pronunciation edit

Noun edit

nucleus (plural nuclei or nucleuses)

  1. The core, central part of something, around which other elements are assembled.
  2. An initial part or version that will receive additions.
    This collection will form the nucleus of a new library.
    • 1972, Carol A. Nemeyer, Scholarly Reprint Publishing in the United States, New York, N.Y.: R. R. Bowker Co., →ISBN, page 49:
      This publishing project and the experience Power gained from wartime activities formed the nucleus for the development of the giant enterprise that today is University Microfilms, subsidiary of the Xerox Education Group, Xerox Corporation.
  3. (chemistry, physics) The massive, positively charged central part of an atom, made up of protons and neutrons.
    Meronyms: proton, neutron, electron
  4. (cytology) A large membrane-enclosed organelle found in eukaryotic cells which contains genetic material.
  5. (neuroanatomy) A ganglion, cluster of many neuronal bodies where synapsing occurs.
  6. (phonetics, phonology) The central part of a syllable, most commonly a vowel.
    Coordinate terms: onset, coda

Derived terms edit

Translations edit

The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.

Anagrams edit

Dutch edit

Etymology edit

Learned borrowing from Latin nucleus (kernel, core).

Pronunciation edit

Noun edit

nucleus m (plural nucleussen or nuclei, diminutive nucleusje n)

  1. nucleus, core

Synonyms edit

Related terms edit

Latin edit

Alternative forms edit

Etymology edit

A diminutive of nux (nut), with an irregular change of gender from feminine to masculine.

Pronunciation edit

Noun edit

nucleus m (genitive nucleī); second declension

  1. (literally) (small) nut
  2. kernel
  3. (figuratively) core
  4. nucleus

Declension edit

Second-declension noun.

Case Singular Plural
Nominative nucleus nucleī
Genitive nucleī nucleōrum
Dative nucleō nucleīs
Accusative nucleum nucleōs
Ablative nucleō nucleīs
Vocative nuclee nucleī

Derived terms edit

Descendants edit

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