Nucleolus Definition

no͝o-klēə-ləs, nyo͝o-
nucleoli
noun
nucleoli
A conspicuous, usually spherical, dense body in the nucleus of most cells, consisting of protein and RNA: ribosomes are produced here.
Webster's New World
Synonyms:
  • nucleole

Other Word Forms of Nucleolus

Noun

Singular:
nucleolus
Plural:
nucleoli

Origin of Nucleolus

  • New Latin from Latin diminutive of nucleus kernel nucleus

    From American Heritage Dictionary of the English Language, 5th Edition

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