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Definitions

nucleus

[noo-klee-uhs, nyoo-] / ˈnu kli əs, ˈnyu- /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"Targeting the brain with drugs is tricky because they act on the entire brain and not a selected region such as the parafacial nucleus," says Paton.

From Science Daily • Mar. 22, 2026

All the matter around us -- including the protons and neutrons that make up the nucleus of atoms -- are made of baryons.

From Barron's • Mar. 17, 2026

According to Grzywacz, the nucleus begins in an excited state and must release energy to stabilize.

From Science Daily • Mar. 13, 2026

According to the researchers, this study provides the first large scale evidence that metabolic enzymes are widely present inside the nucleus.

From Science Daily • Mar. 9, 2026

With just a single proton, the hydrogen nucleus has no particles that can be broken apart.

From "Meltdown" by Deirdre Langeland




Vocabulary lists containing nucleus