Nucleus vs. Nuclei - What's the difference?

Nucleus vs. Nuclei



1. Etymology

Borrowed from Latin nucleus (kernel, core), a diminutive of nux (nut).

2. Pronunciation

  • (Received Pronunciation) IPA(key): /ˈnjuː.kli.əs/
  • (General American) IPA(key): /ˈnuːkli.əs/

3. Noun

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.
  3. (chemistry, physics) The massive, positively charged central part of an atom, made up of protons and neutrons.
  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.

4. Anagrams

  • nucules, unclues


1. Alternative forms

  • nucleuses

2. Noun


  1. plural of nucleus

3. Anagrams

  • clue in, leucin

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