1
as in center
a thing or place that is of greatest importance to an activity or interest
a college campus that was a nucleus of opposition to the war
Synonyms & Similar Words
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2
as in core
the central part or aspect of something under consideration
the nucleus of the movement's methodology has always been passive resistance
Synonyms & Similar Words
Example Sentences
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Recent Examples of nucleus
However, if neutrinos and antineutrinos aren’t Dirac fermions but are actually Majorana particles, then an atomic nucleus that was unstable against double beta decay could actually exhibit two different types of double beta decay.
—
Big Think, 28 Oct. 2025
Unlike traditional atomic clocks, which measure time based on the behavior of electrons orbiting an atom, a nuclear clock tracks energy transitions within the atomic nucleus.
—Georgina Jedikovska, Interesting Engineering, 27 Oct. 2025
The brightening occurred as an increase in heat radiation from the sun vaporized icy materials embedded in its structure, creating a gaseous shell around its nucleus.
—Anthony Wood, Space.com, 26 Oct. 2025
While the nucleus may be a few kilometers across, the coma can be tens of thousands of kilometers wide, which is bigger than some planets.
—Phil Plait, Scientific American, 23 Oct. 2025
See All Example Sentences for nucleus
Big Think, 28 Oct. 2025
Unlike traditional atomic clocks, which measure time based on the behavior of electrons orbiting an atom, a nuclear clock tracks energy transitions within the atomic nucleus.
—Georgina Jedikovska, Interesting Engineering, 27 Oct. 2025
The brightening occurred as an increase in heat radiation from the sun vaporized icy materials embedded in its structure, creating a gaseous shell around its nucleus.
—Anthony Wood, Space.com, 26 Oct. 2025
While the nucleus may be a few kilometers across, the coma can be tens of thousands of kilometers wide, which is bigger than some planets.
—Phil Plait, Scientific American, 23 Oct. 2025
See All Example Sentences for nucleus
Recent Examples of Synonyms for nucleus
Noun
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The source of the flare is an active galactic nucleus, or AGN — a bright, compact region at the center of a galaxy — and it’s powered by a supermassive black hole that is actively feeding on material.—
Ashley Strickland,
CNN Money,
7 Nov. 2025
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Global capability centers have evolved far beyond tech support, but their growth presents challenges for multinationals and Indian cities alike.—
Priyanka Salve,
CNBC,
6 Nov. 2025
Noun
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The victories are seen by many analysts and political figures as a signal that Democrats have regained momentum after losses in the 2024 election cycle—while some Republican voices warn of growing disconnection from core voters.—
Deputy News Editor,
MSNBC Newsweek,
6 Nov. 2025
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The conflict could also arise over other core values, such as how to raise kids or what activities to prioritize in the relationship.—
Gili Malinsky,
CNBC,
6 Nov. 2025
Noun
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Food hubs can increase local food access by aggregating food products from small to mid-sized farms and distributing them to underserved communities, schools, hospitals and retail stores.—
Cristina LaRue,
Arkansas Online,
9 Nov. 2025
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The flight originated in Alexandria, Louisiana, home to the largest deportation hub in the United States, then made a stop in Atlanta, and continued south to Tapachula, according to ICE Flight Monitor, which tracks ICE flight data on behalf of Human Rights First, an advocacy group.—
Daniel Gonzalez,
USA Today,
9 Nov. 2025
Noun
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Still, more robust research was needed to declare that the portfolio diet leads to heart-health benefits for everyone, including healthy individuals.—
Renée Onque,
CNBC,
6 Nov. 2025
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Gizmo’s incredible adoption story has certainly melted hearts online after Neveux documented her journey on TikTok (@saviiirose).—
Alyce Collins,
MSNBC Newsweek,
5 Nov. 2025
Noun
-
Criticism of India As the leader of the US’ largest city and financial capital, any mayor of New York is given an outsized role on the world stage.—
Rhea Mogul,
CNN Money,
7 Nov. 2025
-
The next morning, Burgher parents—oblivious to the fighting that had broken out in the capital—had lined the walkways and cheered as their children filed into schools with pencils and notebooks and tense faces, some bravely managing a smile, others rigid with fear.—
George Packer,
The Atlantic,
6 Nov. 2025
Noun
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In this poetry collection, Vilariño strips poetry to its essence—distilling love, loss, and the inexorable passage of time into spare yet searing verses.—
Literary Hub,
Literary Hub,
10 Nov. 2025
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Stripped to their symbolic essence, the erotics of Frankenstein are about the body as meat, electrified by carnal pleasure and unencumbered by the soul.—
Katie Rife,
Vulture,
9 Nov. 2025
Noun
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Gilbert’s real estate company developed the complex at the former Hudson’s, a shopping mecca for generations that closed in 1983.—
Nathaniel Meyersohn,
CNN Money,
5 Nov. 2025
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Jackson Hole, Wyoming A rugged and untamed spirit defines Jackson Hole, a resort that has long earned its reputation as a mecca for expert skiers.—
Charles Curkin,
Vogue,
27 Oct. 2025
Noun
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The roots anchor in the soil, providing a firm foundation for stems, branches, and leaves.—
Megan Hughes,
Better Homes & Gardens,
8 Nov. 2025
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Mulch provides insulation from extreme temperatures (cold and hot) by protecting the root system.—
Mary Marlowe Leverette,
Southern Living,
8 Nov. 2025
Cite this Entry
“Nucleus.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/nucleus. Accessed 13 Nov. 2025.
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