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Meaning & Definition of Nucleus in English

English

Nucleus

/nukliəs/

noun

1. A part of the cell containing dna and rna and responsible for growth and reproduction

    synonym:
  • nucleus
  • ,
  • cell nucleus
  • ,
  • karyon

2. The positively charged dense center of an atom

    synonym:
  • nucleus

3. A small group of indispensable persons or things

  • "Five periodicals make up the core of their publishing program"
    synonym:
  • core
  • ,
  • nucleus
  • ,
  • core group

4. (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
    synonym:
  • nucleus

5. Any histologically identifiable mass of neural cell bodies in the brain or spinal cord

    synonym:
  • nucleus

6. The central structure of the lens that is surrounded by the cortex

    synonym:
  • lens nucleus
  • ,
  • nucleus

Examples of using

Protons can be found at the nucleus of an atom.