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
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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
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Example Sentences
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Recent Examples of nucleus
For example, the brainstem’s midbrain reticular nucleus, which is involved in initiating movement, is a fairly underexplored region, Abbasi-Asl said.
—
Amber Dance, Quanta Magazine, 9 Feb. 2026
Indeed, George is a central part of Washington’s nucleus and is highly valued for his two-way ability.
—Josh Robbins, New York Times, 4 Feb. 2026
But data from the Hubble Space Telescope helped astronomers estimate the size of the comet’s solid, icy nucleus as anywhere from about 1,400 feet to 3½ miles in diameter.
—Eric Lagatta, USA Today, 12 Jan. 2026
If the Panthers can win the division, the nucleus of organization’s turnaround will be built — at least partially — on the youth movement that was created during a potentially monumental offseason.
—Charlotte Observer, 22 Dec. 2025
See All Example Sentences for nucleus
Amber Dance, Quanta Magazine, 9 Feb. 2026
Indeed, George is a central part of Washington’s nucleus and is highly valued for his two-way ability.
—Josh Robbins, New York Times, 4 Feb. 2026
But data from the Hubble Space Telescope helped astronomers estimate the size of the comet’s solid, icy nucleus as anywhere from about 1,400 feet to 3½ miles in diameter.
—Eric Lagatta, USA Today, 12 Jan. 2026
If the Panthers can win the division, the nucleus of organization’s turnaround will be built — at least partially — on the youth movement that was created during a potentially monumental offseason.
—Charlotte Observer, 22 Dec. 2025
See All Example Sentences for nucleus
Recent Examples of Synonyms for nucleus
Noun
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The Knicks were only without McBride, and Detroit was missing two key rotation pieces in centers Isaiah Stewart and Duren due to suspension.—
James L. Edwards III,
New York Times,
20 Feb. 2026
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In the footage and images released by the FBI, the suspect appears to have a gun holstered near the center of his waist – an unusual position – and is seen wearing a backpack with reflective straps.—
Chelsea Bailey,
CNN Money,
20 Feb. 2026
Noun
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Then, about four to five billion years later, our Sun will run out of hydrogen fuel in its core, evolving into a red giant.—
Big Think,
Big Think,
20 Feb. 2026
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For short-term rentals, check out the Historic District or find more affordable options in the Midtown area or other neighborhoods a little farther out from the city’s core.—
Adam Kuehl,
New York Times,
19 Feb. 2026
Noun
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Check out the all new PLAY hub with puzzles, games and more!—
Edward Segarra,
USA Today,
21 Feb. 2026
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Today, the city is a major hub for tech companies like Google, Facebook, and Airbnb.—
Condé Nast,
Condé Nast Traveler,
21 Feb. 2026
Noun
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From the outside, the structure, which stands next to a large mirror, resembles a human heart.—
Precious Adesina,
CNN Money,
17 Feb. 2026
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At its heart is a walkable downtown anchored by Falls Park on the Reedy, where waterfalls, lush landscaping, and the Liberty Bridge create a postcard-worthy setting just steps from Main Street’s shops, restaurants, and galleries.—
Lauren Dana Ellman,
Travel + Leisure,
16 Feb. 2026
Noun
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That decision came a month before jurors were set to be selected for the high-profile capital murder trial.—
Kevin Fixler,
Idaho Statesman,
20 Feb. 2026
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Noel Hacegaba, who last month took the helm of the Port of Long Beach, has greenlit the largest capital-spending plan of any port in North America.—
Liz Hoffman,
semafor.com,
20 Feb. 2026
Noun
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Raiders of the Lost Ark (1981) Indiana Jones (Harrison Ford) is an amalgam of Hollywood archetypes, the essence of a big-screen hero boiled down and maybe left on the stove too long.—
Alex Galbraith,
Entertainment Weekly,
15 Feb. 2026
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Each pad is soaked in a calming essence built around the brand’s proprietary Artemisia-Cica blend—a K-beauty-favorite pairing of artemisia (mugwort) and Centella asiatica.—
Christa Joanna Lee,
Allure,
15 Feb. 2026
Noun
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At Sunin Plaza, the do-it-yourself PC mecca in Seoul, the usual weekday buzz has evaporated.—
Bloomberg Wire,
Dallas Morning News,
16 Feb. 2026
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At Sunin Plaza, the do-it-yourself PC mecca in Seoul, the usual weekday buzz has evaporated.—
Debby Wu,
Fortune,
15 Feb. 2026
Noun
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Babcock, 76, has come a long way from early 1970s Philadelphia Inquirer scribe to renowned Dallas attorney, but his extensive sports roots uniquely qualify him as the Mavericks’ lead counsel in their legal squabble with the Stars.—
Brad Townsend,
Dallas Morning News,
19 Feb. 2026
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The safest strategy is to incorporate turmeric root and spice into more of your meals.—
Jenna Anderson,
Health,
19 Feb. 2026
Cite this Entry
“Nucleus.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/nucleus. Accessed 22 Feb. 2026.
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