Thesaurus.com
Dictionary.com
Showing results for nucleus.
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.

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

As the nucleus grows heavier and more unstable, it eventually breaks down into lighter and more stable forms.

From Science Daily • Mar. 13, 2026

In that scenario the nucleus behaves like an "amnesiac nucleus," with no memory of how it was formed.

From Science Daily • Mar. 13, 2026

Many of these enzymes are typically known for producing energy in mitochondria, yet researchers discovered them sitting on chromatin inside the cell nucleus.

From Science Daily • Mar. 9, 2026

But an impact with a large comet, such as Hailey’s Comet, whose nucleus is perhaps twenty kilometers across, should occur only about once every billion years.

From "Cosmos" by Carl Sagan




Vocabulary lists containing nucleus