nucleus

noun

the central structure of the lens that is surrounded by the cortex

any histologically identifiable mass of neural cell bodies in the brain or spinal cord

(astronomy) the center of the head of a comet

a small group of indispensable persons or things

the positively charged dense center of an atom

a part of the cell containing DNA and RNA and responsible for growth and reproduction

Roots

nuxnucle- · Latin · nut

Synonyms for nucleus

micronucleus coren nucleolusn macronucleus karyosome nucleonn

Synonyms & related words for nucleus

Find synonyms, related words, and the definition of nucleus — including micronucleus, core, nucleolus, macronucleus, karyosome, nucleon. Dendril is a free visual thesaurus that shows them on an interactive map where stronger matches sit closer to the center — no signup, no ads.

Words related to nucleus

Explore words related to nucleus — words associated with it, words that go with it, and its nearest matches in meaning. Related words include karyon, nucleolated, uninucleate, intranuclear, nuclein, nuclei, nucleole, anucleated. Click any word to make it the center of the map and keep exploring the web of connections.

Synonyms for nucleus

Common synonyms for nucleus include micronucleus, core, nucleolus, macronucleus, karyosome, nucleon — words that share a close meaning. Hover or tap any word on the map for its definition and part of speech.

Where does nucleus come from?

The word nucleus breaks down into one root of Latin origin: the root nucle-, from Latin nux (“nut”). Explore each root to see other English words built from the same source.