Longman Dictionary of Contemporary English homepage

Topic: BIOLOGY

Date: 1700-1800
Language: Latin
Origin: 'center of a nut', from nux 'nut'

nucleus

 noun
     
nu‧cle‧us plural nuclei [countable]
1HPHC the central part of an atom, made up of neutrons, protons, and other elementary particles
2HB the central part of almost all the cells of living things
3 a small, important group at the centre of a larger group or organization
nucleus of
the nucleus of an effective team
Marantz and Grohl form the nucleus of the Atlanta operation.
Definition of nucleus from the Longman Dictionary of Contemporary English within
the topic BIOLOGY
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