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nucleus noun

  /ˈnjuː.kli.əs/ , /ˈnuː.kli.əs/
  • The core, central part of something, around which other elements are assembled.
  • An initial part or version that will receive additions.
  • (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.
  • (phonetics, phonology) The central part of a syllable, most commonly a vowel.
 πυρήνας
atomic nucleus
ατομικός πυρήνας
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