as in hole
a sunken area forming a separate space
water collected in a shallow concavity on the floor of the cave
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Recent Examples of concavity
And what is the second derivative, or the concavity, of the potential during those same relevant e-foldings of inflation?
—
Big Think, 22 Oct. 2025
Antonio Stradivari, for instance, carefully tinkered with the geometry of his violins—the relative concavity of the back and the front, the thickness of the wood—to produce his legendary results.
—Chris Almeida, The New Yorker, 6 Jan. 2024
Fluted white marble columns sit on black granite pedestals, carrying the eye upward to where lines slide over, folds narrow, and concavities become convex.
—Justin Davidson, Curbed, 3 Aug. 2023
In addition to measurements, scientists were also able to detect a large, broad concavity in one of the asteroid's two hemispheres as well as subtle dark and lighter regions that indicate small-scale surface features a few dozen meters across.
—Ariana Garcia, Chron, 22 Feb. 2023
Father pushed boards with his palm to make the concavity recede into dust.
—Oliver De La Paz Victoria Chang, New York Times, 23 Nov. 2022
However, toward the edges, the concavity flattens out, allowing a flat surface for riding straight.
—Chris Meehan, Popular Mechanics, 12 June 2022
The bump settled into the concavity of the sink.
—Morgan Thomas, The Atlantic, 16 May 2021
The right side of the head was one enormous concavity, which Lacassagne attributed to strikes from the bottle.
—Douglas Starr, Discover Magazine, 28 Feb. 2011
Big Think, 22 Oct. 2025
Antonio Stradivari, for instance, carefully tinkered with the geometry of his violins—the relative concavity of the back and the front, the thickness of the wood—to produce his legendary results.
—Chris Almeida, The New Yorker, 6 Jan. 2024
Fluted white marble columns sit on black granite pedestals, carrying the eye upward to where lines slide over, folds narrow, and concavities become convex.
—Justin Davidson, Curbed, 3 Aug. 2023
In addition to measurements, scientists were also able to detect a large, broad concavity in one of the asteroid's two hemispheres as well as subtle dark and lighter regions that indicate small-scale surface features a few dozen meters across.
—Ariana Garcia, Chron, 22 Feb. 2023
Father pushed boards with his palm to make the concavity recede into dust.
—Oliver De La Paz Victoria Chang, New York Times, 23 Nov. 2022
However, toward the edges, the concavity flattens out, allowing a flat surface for riding straight.
—Chris Meehan, Popular Mechanics, 12 June 2022
The bump settled into the concavity of the sink.
—Morgan Thomas, The Atlantic, 16 May 2021
The right side of the head was one enormous concavity, which Lacassagne attributed to strikes from the bottle.
—Douglas Starr, Discover Magazine, 28 Feb. 2011
Recent Examples of Synonyms for concavity
Noun
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Keep your windows closed and patch any holes in screens to deter moths from entering your home.—
Brandee Gruener,
Southern Living,
31 Oct. 2025
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Next, a 10,000-pound concrete-and-steel battering ram was used to punch 24-foot holes through the ice, beginning at the far end of the whales' four-mile path to freedom, so as not to alarm them.—
Virginia Chamlee,
PEOPLE,
30 Oct. 2025
Noun
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Xylitol, a sweetener often used as a sugar substitute in these pops, reduces the growth of cavity-causing bacteria.—
Angela Haupt,
Time,
28 Oct. 2025
-
The reactor cavity was full of water.—
Prabhat Ranjan Mishra,
Interesting Engineering,
24 Oct. 2025
Noun
-
The dent was big enough for a Stop Sale on the tomato sauce.—
David J. Neal,
Miami Herald,
31 Oct. 2025
-
The note that tariffs on Chinese imports, even after the 10-percentage-point cut announced, remain high enough to put a serious dent on import volume.—
Lori Ann LaRocco,
CNBC,
30 Oct. 2025
Noun
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The Joe Gibbs Racing driver, Hamlin, then went to pit for four new tires while Hendrick Motorsports’ Larson only got two which placed him in fifth position ahead of Hamlin, who was in 10th.—
Jacob Lev,
CNN Money,
3 Nov. 2025
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Additional circumstantial evidence included the presence of Halbach's license plate, which was found in another vehicle on Avery’s property, a bullet fragment that was found in his garage with her DNA and Halbach's remains, which were located in and around a burn pit.—
Nicole Briese,
PEOPLE,
31 Oct. 2025
Noun
-
That central bank drama is piling even more attention Friday’s speech by Fed Chair Jay Powell, who even in precedented times can move markets with a single furrow of his brow.—
Allison Morrow,
CNN Money,
22 Aug. 2025
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Swaziland continued to plough its own political furrow against its larger neighbor until the end of apartheid.—
The Editors,
JSTOR Daily,
15 Aug. 2025
Noun
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In adults, physical activity helps to prevent and manage health problems like cardiovascular diseases, cancer and diabetes and reduces symptoms of depression and anxiety—while also enhancing brain health and overall wellbeing—according to the World Health Organization.—
Hannah Millington,
MSNBC Newsweek,
31 Oct. 2025
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Specifically, the study found that the teens and young adults required medical care for common mental disorders like anxiety and depression, a physical health condition, injuries and poisoning, and other physical diseases.—
Greta Cross,
USA Today,
31 Oct. 2025
Noun
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Continue reading … AMERICAN CULTURE QUIZ – Test yourself on haunted hollows and game-day glory.—
,
FOXNews.com,
30 Oct. 2025
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On the back porch, the rolling green of the hollow holds the B&B as if in the palm of its meadowy hand.—
Sarah Henry,
Louisville Courier Journal,
13 Oct. 2025
Noun
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Flour the tines of a fork; lightly press it into edge of the dough to create indentations.—
Alana Al-Hatlani,
Southern Living,
25 Oct. 2025
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Users who aren’t installing a 3.5-inch drive will find a handy indentation in the same area that’s designed to discourage a magnetic-base Corsair Link controller from sliding off.—
PC Magazine,
PC Magazine,
21 Oct. 2025
Cite this Entry
“Concavity.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/concavity. Accessed 4 Nov. 2025.
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