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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The lore behind one of Louisville's favorite hole in the wall restaurants begins with a gift.—
Amanda Hancock,
Louisville Courier Journal,
24 Oct. 2025
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Although the brain itself has no pain receptors, Bacon was given local anesthetic to numb her scalp and skull, as doctors made holes half the size of a small coin in her skull and implanted the stimulating electrodes inside.—
Elmira Aliieva,
NBC news,
23 Oct. 2025
Noun
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Plants to Always Leave Standing The dry stems of certain native perennials offer excellent nesting habitats for around 25% of native bee species that utilize cavity nesting.—
Benjamin Vogt,
Better Homes & Gardens,
20 Oct. 2025
-
Her entire stomach had pushed into her chest cavity through an opening in the diaphragm, a muscle that divides the torso, and was wrapped around itself.—
CalMatters,
Mercury News,
17 Oct. 2025
Noun
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As conversations continue around Gaza's reconstruction amid the fragile Israel-Hamas ceasefire, doctors and humanitarian workers are urging that efforts be focused on addressing the malnutrition crisis, noting that simply flooding the zone with aid won't make a meaningful dent.—
Mary Kekatos,
ABC News,
24 Oct. 2025
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Ready or not, the holiday shopping season is here and now is the time to start making a dent in your shopping list.—
Jessie Quinn,
StyleCaster,
22 Oct. 2025
Noun
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Ebern Designs Propane Fire Pit Extend patio season through fall and winter with this stylish fire pit.—
Shea Simmons,
Southern Living,
27 Oct. 2025
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The atmosphere is more family-friendly and festival-like, with food and beer, live music and fire pits.—
Phaedra Trethan,
USA Today,
26 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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If conditions are right, the clusters swirl into a storm known as a tropical wave or tropical depression.—
Doyle Rice,
USA Today,
25 Oct. 2025
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This grounding technique is meant to relieve anxiety, stress, depression, and PTSD.—
Anna Cafolla,
Vogue,
25 Oct. 2025
Noun
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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
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Venturing into the wild, Rip encounters a strange group of men, done up in traditional Dutch dress and playing ninepins—bowling—in a mountain hollow.—
John Swansburg,
The Atlantic,
10 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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The bullet casing had the same tool markings – unique individual indentations that guns produce on casings once they have been expended – to a gun used in an unsolved murder in Kentucky in 1998.—
Jean Casarez,
CNN Money,
5 Oct. 2025
Cite this Entry
“Concavity.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/concavity. Accessed 29 Oct. 2025.
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