variants
also nucleuses
1
as in centers
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
Relevance
2
as in hearts
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 nuclei
The data—which specifically trace the abundance of H3+, an ion made of three hydrogen nuclei—constitute the best-yet three-dimensional map of the planet’s upper atmosphere.
—
Lee Billings, Scientific American, 24 Feb. 2026
Deciphering the unique infrared language these galactic nuclei speak.
—Paul Sutter, Space.com, 11 Feb. 2026
At that time, the universe was hot enough for quarks and gluons to move freely rather than being confined inside atomic nuclei.
—Georgina Jedikovska, Interesting Engineering, 10 Feb. 2026
Even though Earth’s atmosphere is sparse, it’s still made of atoms, and atoms have atomic nuclei.
—Big Think, 30 Jan. 2026
The Metabolic Nucleus Nearly all the different cell types in your body — liver cells, heart cells, skin cells, beta cells, and so on — contain the same genome in their nuclei.
—Viviane Callier, Quanta Magazine, 21 Mar. 2025
In its earliest days, the Universe was a hot, dense soup of subatomic particles, including hydrogen and helium nuclei, aka baryons.
—Jennifer Ouellette, Ars Technica, 19 Mar. 2025
While pulling matter in, some active galactic nuclei (AGN) release ultraviolet (UV) radiation, which can reach nearby planets similarly to how the sun's radiation reaches Earth.
—Dan Perry, Newsweek, 18 Mar. 2025
Lee Billings, Scientific American, 24 Feb. 2026
Deciphering the unique infrared language these galactic nuclei speak.
—Paul Sutter, Space.com, 11 Feb. 2026
At that time, the universe was hot enough for quarks and gluons to move freely rather than being confined inside atomic nuclei.
—Georgina Jedikovska, Interesting Engineering, 10 Feb. 2026
Even though Earth’s atmosphere is sparse, it’s still made of atoms, and atoms have atomic nuclei.
—Big Think, 30 Jan. 2026
The Metabolic Nucleus Nearly all the different cell types in your body — liver cells, heart cells, skin cells, beta cells, and so on — contain the same genome in their nuclei.
—Viviane Callier, Quanta Magazine, 21 Mar. 2025
In its earliest days, the Universe was a hot, dense soup of subatomic particles, including hydrogen and helium nuclei, aka baryons.
—Jennifer Ouellette, Ars Technica, 19 Mar. 2025
While pulling matter in, some active galactic nuclei (AGN) release ultraviolet (UV) radiation, which can reach nearby planets similarly to how the sun's radiation reaches Earth.
—Dan Perry, Newsweek, 18 Mar. 2025
Recent Examples of Synonyms for nuclei
Noun
-
This phase would most likely have included the use of cruise missiles, stealth bombers, and drones to hit air defense installations and command centers.—
Christopher McFadden,
Interesting Engineering,
8 Mar. 2026
-
One of the Chinese ministries involved in the joint centers helped organize the World Conference of Classics.—
Chang Che,
New Yorker,
8 Mar. 2026
Noun
-
Later, the Moon enters Sagittarius, inspiring us to open our minds and hearts.—
Tarot.com,
The Orlando Sentinel,
9 Mar. 2026
-
An average of 31 million people tuned in weekly at its ratings peak in 2006 to hear Taylor Hicks and Katharine McPhee belt their hearts out in a battle for the title.—
Shirley Halperin,
Rolling Stone,
9 Mar. 2026
Noun
-
News that Russia may be providing Iran with wartime intelligence may also change the calculus in Washington and other Western capitals.—
Nathan Hodge,
CNN Money,
7 Mar. 2026
-
How does Boise compare to other state capitals?—
Hali Smith
March 6,
Idaho Statesman,
6 Mar. 2026
Noun
-
The key innovation in this motor lies in the use of amorphous steel, a material that differs from conventional electrical steels commonly used in motor cores.—
Prabhat Ranjan Mishra,
Interesting Engineering,
9 Mar. 2026
-
Instead, those urban cores are left to cope with the church’s growing absence.—
David Swanson,
The Orlando Sentinel,
7 Mar. 2026
Noun
-
This legislative session, Republicans and Democrats have both said electricity affordability was one of their focuses, and both the House and Senate passed House Bill 1002 to tackle that issue.—
Maya Wilkins,
Chicago Tribune,
25 Feb. 2026
-
Others questioned Nabi’s main focuses while leading Coty, particularly the atypical tie-in with Orveda.—
Kathryn Hopkins,
Footwear News,
17 Feb. 2026
Noun
-
Coleman made his name as the co-founder of London’s Caravan restaurants and coffee roasters, and Coulton’s roots are in management consultancy.—
Bella Webb,
Vogue,
12 Mar. 2026
-
Bob Johnson’s SoCal roots include coaching Los Amigos from 1970-72.—
Dan Albano,
Oc Register,
12 Mar. 2026
Noun
-
Its location in the new upscale development of Takanawa Gateway City, puts guests in a less touristy and much quieter part of town, while still being steps away from major transportation hubs like Takanawa Gateway Station and Shinagawa Station.—
Lois Alter Mark,
Travel + Leisure,
8 Mar. 2026
-
Others have started afresh in the US, particularly in urban hubs like San Francisco, Los Angeles and New York.—
Laura Sharman,
CNN Money,
7 Mar. 2026
Noun
-
In addition to the bacon and sausage, this queso is packed with filling black beans, corn kernels, scallions, cheese, jalapeños, and our favorite, Rotel tomatoes.—
Josh Miller,
Southern Living,
8 Mar. 2026
-
Additionally, pollination may occur during extreme summer heat, reducing kernels on your cobs.—
Michelle Mastro,
Martha Stewart,
5 Mar. 2026
Cite this Entry
“Nuclei.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/nuclei. Accessed 14 Mar. 2026.
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