nucleus

noun

ˈnü-klē-əs How to pronounce nucleus (audio)
Definition of nucleusnext
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

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of nucleus In them, a high voltage creates a hot plasma that smashes nuclei together. — George Musser, Quanta Magazine, 2 Nov. 2026 In 2019, Phoenix sent a delegation to Taiwan to share a new development plan for a science and technology park, the nucleus of which would be a factory, ideally one of TSMC’s fabs. — Gaby Del Valle, The Verge, 29 Oct. 2026 Discovering life at a new extreme Eukaryotic cells, like the ones found in our bodies, contain organelles like nuclei and mitochondria. — Kristen Skruber, The Conversation, 29 Oct. 2026 Of course, Sandberg is the former COO of Meta who spent more than a decade at the nucleus of Facebook and Instagram, making decisions that influenced how these platforms developed. — Emma Hinchliffe, Fortune, 21 Oct. 2026 See All Example Sentences for nucleus
Recent Examples of Synonyms for nucleus
  1. center
  2. core
  3. hub
  4. heart
  5. capital
  6. essence
  7. mecca
  8. root
Noun
  • Ben’s view Hoffman, who sometimes works from a small swivel chair in her children’s room, has followed a path from social video into the center of the swirling news cycles of true crime and celebrity.
    — Ben Smith, semafor.com, 2 Nov. 2026
  • After police cordoned off an area in the city center, the situation calmed down by early Sunday morning.
    — Angela Charlton, Los Angeles Times, 1 Nov. 2026
Definition of center
Noun
  • Meanwhile, the MacBook Neo's iPhone-grade chip outperformed Googlebooks’ processors in single-core performance, while losing out on multi-core performance by varying (but overall large) margins.
    — Joe Osborne, PC Magazine, 24 Oct. 2026
  • As that enormous dome thinned through the Holocene, its margin withdrew up onto Baffin Island, and what’s left today is the deflated core of something that was once two miles thick.
    — Jacek Krywko, ArsTechnica, 24 Oct. 2026
Definition of core
Noun
  • Tens of thousands of people across more than 30 cities took to the streets, including in the capital Berlin and financial hub Frankfurt, in protests organized by the campaign group Gen Z regelt (Gen Z takes charge).
    — Freddie Clayton, NBC news, 1 Nov. 2026
  • To tout their readiness for the midterms, Fulton County officials invited media to the same sprawling elections hub where FBI agents seized more than 650 boxes of ballots and other 2020 election records nine months ago.
    — Caleb Groves, AJC.com, 1 Nov. 2026
Definition of hub
Noun
  • During a recent interview with Fox News Digital, James, 32, opened up about how the project became a deeply personal way to reconnect with Bill, who passed away in February 2017 following heart surgery.
    — Ashley Hume , Larry Fink, FOXNews.com, 6 Nov. 2026
  • Sola Media managing director Solveig Langeland said mixing humor and heart has always sat at the center of the studio’s storytelling, backed by its skill at bringing characters to life through strong voice casts.
    — Naman Ramachandran, Variety, 6 Nov. 2026
Definition of heart
Noun
  • Keithsolis Brown and Darrell Burke were arrested Tuesday and both face capital murder charges.
    — Maven Navarro, Fort Worth Star-Telegram, 4 Nov. 2026
  • With the balance of power in Tallahassee at stake, Miami’s Republican state senators fended off tough challenges Tuesday night, while Democratic candidates flipped several South Florida state House seats for the minority party in Florida’s capital.
    — Miami Herald staff, Miami Herald, 4 Nov. 2026
Definition of capital
Noun
  • Joseph Zada is beyond impressive in a highly demanding role that pushes him to the limit physically and emotionally, perfectly capturing the essence of Haymitch with all the sympathy, charm and bitterness Woody Harrelson brought to the role.
    — Zack Sharf, Variety, 29 Oct. 2026
  • First, the essence of each brand tends to manifest in aesthetics and interaction models.
    — Andrew J. Hawkins, The Verge, 27 Oct. 2026
Definition of essence
Noun
  • In the winter, this is one-horse town completely transforms into a mecca for serious backcountry skiers.
    — Kat Chen, Condé Nast Traveler, 30 Oct. 2026
  • But in the eight years since that location opened its doors, the brand has grown, and the mall has evolved from small art galleries into a vintage mecca.
    — Max Berlinger, Vogue, 23 Oct. 2026
Definition of mecca
Noun
  • Becoming the first Latino directly elected to California’s highest office is a distinction Becerra was reluctant to promote on the campaign trail, preferring instead to focus on his humble roots.
    — Los Angeles Times, Los Angeles Times, 4 Nov. 2026
  • The root of Wilson’s resentment is that he was charmed by the pods version of Wilnie, who was temporarily free from real-life concerns and whose only job was to banter with him through a wall.
    — Emma Sharpe, Vulture, 4 Nov. 2026
Definition of root

Browse Nearby Words

nuclei
nucleus
nude
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Cite this Entry

“Nucleus.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/nucleus. Accessed 7 Nov. 2026.

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Britannica.com: Encyclopedia article about nucleus

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