nucleusnoun [ C ]
uk/ˈnjuː.kli.əs/us/ˈnuː.kli.əs/plural nuclei nucleusesspecialized physics the central part of an atom, usually made up of protons and neutrons
specialized biology the part of a cell that controls its growth:
DNA is stored in the nucleus of a cell.
the nucleus of sth
the group of people or things that are the most important part of something:
These three players will form the nucleus of a revised and stronger team.
Thesaurus: synonyms and related words
Cells
- -celled
 - anaphase
 - assort
 - cell wall
 - chromatid
 - effector
 - gamete
 - hemoglobin
 - histology
 - metaphase
 - metastasize
 - mitochondrial
 - mitochondrion
 - monoclonal
 - motor neuron
 - neoplasia
 - nerve cell
 - neuron
 - platelet
 - vacuole
 
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You can also find related words, phrases, and synonyms in the topics:
Physics: atoms, molecules & sub-atomic particles
Important and essential things