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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.

The roughly 40% of the Las Vegas Strip that MGM owns is “an entertainment nucleus that simply cannot be replicated anywhere in the world.”

From The Wall Street Journal • Jun. 1, 2026

"The investigations are linked to the nucleus of power which has governed for the past eight years."

From BBC • May 30, 2026

During fasting, adrenaline activates HSL and pushes it out of the nucleus so it can help mobilize fat stores.

From Science Daily • May 8, 2026

Once inside, the second component activates PPARs, which act as "switches" in the cell nucleus that control genes involved in fat and sugar metabolism.

From Science Daily • May 7, 2026

In other words, alpha particles produced naturally by radium and polonium had exhausted their usefulness as probes of the nucleus.

From "Big Science" by Michael Hiltzik




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