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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His absence left yet another hole in the quartet featuring him, Ball, Knueppel and Bridges.—
Roderick Boone,
Charlotte Observer,
9 Jan. 2026
-
Plunging directly in the frigid lake via holes carved in the ice.—
Julia Sayers Gokhale,
Midwest Living,
9 Jan. 2026
Noun
-
Christmas garlands, high heels, and even craft supplies have all found a home in the spacious cavity.—
Nashia Baker,
Architectural Digest,
7 Jan. 2026
-
Plaque is the sticky film of germs that can cause cavities and make your breath smell bad.—
Linda Bartoshuk,
The Conversation,
5 Jan. 2026
Noun
-
Those two losses were part of a disappointing 1-3-1 homestand that put a dent in their previous home-ice dominance and put them in arrears in their chase for a playoff spot.—
Steve Conroy,
Boston Herald,
9 Jan. 2026
-
Even at the presidential level – where personal legacy should, in theory, be most sensitive – scandals barely leave a dent.—
Brandon Rottinghaus,
Washington Post,
7 Jan. 2026
Noun
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The buoyant spirit is also aided by Karla Grotting’s effervescent choreography, the Seuss-faithful designs of Tom Butsch and David Kay Mickelsen, and a nine-piece pit orchestra that enhances the moods with some effective musical underpinning beneath the dialogue.—
Rob Hubbard,
Twin Cities,
8 Nov. 2025
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The highest profile match-ups in the 94 categories — and the most anticipated by far — pit Beyonce, who has a field-leading 11 nominations against Swift, who has six.—
George Varga,
San Diego Union-Tribune,
7 Nov. 2025
Noun
-
There are vapors wandering everywhere which must be untangled; there are men with organs full of holes, eaten up, with radiating cancers and all along the paths these furrows of black earth where some dog dies.—
Literary Hub,
Literary Hub,
14 Nov. 2025
-
Young olive trees have smooth, gray bark, while the bark develops interesting furrows as the plant ages.—
Arricca Elin SanSone,
Southern Living,
10 Nov. 2025
Noun
-
And on a more basic level, gardening activities also serve to reduce anxiety, aggression and depression, and to increase cognitive function.—
The San Diego Union Tribune,
San Diego Union-Tribune,
8 Nov. 2025
-
Feeling tired is not a typical sign of high blood pressure and is more often linked to other issues like poor sleep, depression, or low blood pressure.—
Alexandria Nyembwe,
Health,
7 Nov. 2025
Noun
-
Objections to coercion in the South China Sea ring hollow.—
Jon Duffy,
Mercury News,
6 Jan. 2026
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But Pezeshkian doesn’t control the security forces, so these pronouncements ring hollow.—
Arash Azizi,
The Atlantic,
1 Jan. 2026
Noun
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But a research article published in Biology Letters on Wednesday, Oct. 15, states that another common creature, with a slightly bushier tail, was probably behind the iconic indentation.—
Jillian Frankel,
PEOPLE,
2 Nov. 2025
-
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
Cite this Entry
“Concavity.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/concavity. Accessed 11 Jan. 2026.
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