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英英字典: nucleus


KK Pronunciation

〔 ˋnuklIәs,ˋnju- 〕

Pronunciation

〔 ˊnjuːkliәs 〕


Overview of noun nucleus

The noun nucleus has 6 senses


  • nucleus, cell nucleus, karyon -- (a part of the cell containing DNA and RNA and responsible for growth and reproduction)

  • nucleus -- (the positively charged dense center of an atom)

  • core, nucleus, core group -- (a small group of indispensable persons or things; "five periodicals make up the core of their publishing program")

  • nucleus -- ((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)

  • nucleus -- (any histologically identifiable mass of neural cell bodies in the brain or spinal cord)

  • lens nucleus, nucleus -- (the central structure of the lens that is surrounded by the cortex)

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