Nucleus - definition, pronunciation, transcription

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Amer.  |ˈnuːklɪəs|  American pronunciation of the word nucleus
Brit.  |ˈnjuːklɪəs|  British pronunciation of the word nucleus

noun

- a part of the cell containing DNA and RNA and responsible for growth and reproduction
- the positively charged dense center of an atom
- a small group of indispensable persons or things (syn: core)
- (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
- any histologically identifiable mass of neural cell bodies in the brain or spinal cord
- the central structure of the lens that is surrounded by the cortex

Extra examples

...a college campus that was a nucleus of opposition to the war...

...the nucleus of the movement's methodology has always been passive resistance...

Retired employees make up the nucleus of the club.

The photograph shows both nuclei of the nebula to be stellar.

Marantz and Grohl form the nucleus of the Atlanta operation.

DNA replicates itself in the cell nucleus.

DNA replicates in the cell nucleus.

She studies the genetic material harbored in a cell's nucleus.

This nucleus has captured the slow-moving neutrons

Word forms

noun
singular: nucleus
plural: nuclei
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