Definition of nucleus

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  • nucleus is a valid Scrabble US word with a point value of 9
  • nucleus is a valid Scrabble UK word with a point value of 9
  • nucleus is a valid Words with friends word with a point value of 14

Definition of nucleus

  • a part of the cell containing DNA and RNA and responsible for growth and reproduction (noun)

    Synonyms

    1. cell nucleus
    2. karyon
  • a small group of indispensable persons or things (noun)

    Synonyms

    1. core
    2. core group
  • the central structure of the lens that is surrounded by the cortex (noun)

    Synonyms

    1. lens nucleus
  • any histologically identifiable mass of neural cell bodies in the brain or spinal cord (noun)
  • (astronomy) the center of the head of a comet; consists of small solid particles of ice and frozen gas that vaporizes on approaching the sun to form the coma and tail (noun)
  • the positively charged dense center of an atom (noun)

See definition of nucleus in Merriam Webster