con·​cave | \ kän-ˈkāv How to pronounce concave (audio) , ˈkän-ˌkāv How to pronounce concave (audio) \

Definition of concave

 (Entry 1 of 2)

1 : hollowed or rounded inward like the inside of a bowl a concave lens
2 : arched in : curving in used of the side of a curve or surface on which neighboring normals to the curve or surface converge and on which lies the chord joining two neighboring points of the curve or surface


con·​cave | \ ˈkän-ˌkāv How to pronounce concave (audio) \

Definition of concave (Entry 2 of 2)

: a concave line or surface

Synonyms & Antonyms for concave

Synonyms: Adjective

Antonyms: Adjective

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Examples of concave in a Sentence

Recent Examples on the Web: Adjective Sonos also built the end caps on the speaker to be concave, resulting in a more durable overall structure while reducing the chance that users will accidentally push one of the buttons during transport. Popular Science, 9 Mar. 2021 At the top is a concave portion of the tower riddled with holes and punctuated by a bright green — that’s the Xbox branding coming through. Brittany Vincent, CNN Underscored, 5 Nov. 2020 Gently form the mixture into patties 1/2- to 3/4-inch thick, making the patties completely flat or even slightly concave. cleveland, 3 June 2020 Most important, the K380’s rounded, mildly concave keys are fast and comfortable, with ample but not too much space between them. Jeff Dunn, Ars Technica, 19 Nov. 2018 The interiors of both look great, with soft touch materials on nearly every surface, ambient lighting and attractive concave trim panels with unusual trim that looked like three-dimensional pieces of metal. Mark Phelan, Detroit Free Press, 23 May 2018 The Canaday brothers revolutionized snowboarding by combining the two traditional board shapes—convex (better for hard, fast turns) and concave (better on powder)—into one that's good at everything. Michael Stilwell, Popular Mechanics, 29 June 2017 Its concave east and west sides would be adorned with vertical fins. Blair Kamin,, 18 Apr. 2018 The right side of his chest was ever so slightly concave, as if missing a bone or two. Aaron Gilbreath, Longreads, 2 Apr. 2018 Recent Examples on the Web: Noun The convex back to the Watch seems to benefit from a concave charging pad for most efficient charging. David Phelan, Forbes, 2 Jan. 2022 In a room with 11-foot, white ceilings, Los Angeles interior designer Adam Hunter hung a white-plaster chandelier by Stephen Antonson, a shallow, 62-inch circle layered with subtly concave disks. Yelena Moroz Alpert, WSJ, 7 Jan. 2022 Their shining heads were concave, like pasta bowls. Richard Preston, The New Yorker, 13 Dec. 2021 By separating a building from the ground with a layer of spheres or cylinders in concave indentations, rolling isolation converts erratic horizontal shaking into a gentle rocking motion and uses friction to further dampen these oscillations. Maddie Bender, Scientific American, 13 Dec. 2021 The concave interior of a car tire can trap hermit crabs that go there in search of food and shelter. Sherry Liang, CNN, 29 Oct. 2021 There are some points in the year where the panes of glass in the front of my house concave and convect with the movement of the wind. Andy Greene, Rolling Stone, 20 Oct. 2021 Chuggers with concave faces are a top-tray choice for bass lurking amid visible shoreline cover. Joe Doggett, Chron, 14 Oct. 2021 The ones available in the U.S. typically aren’t concave enough to handle loads of filling (unlike the Breville ‘Big One’ Sandwich Maker that Aussies can buy). Ali Francis, Bon Appétit, 27 Sep. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'concave.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of concave


15th century, in the meaning defined at sense 1


1552, in the meaning defined above

History and Etymology for concave

Adjective and Noun

Middle English, from Latin concavus, from com- + cavus hollow — more at cave

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Time Traveler for concave

Time Traveler

The first known use of concave was in the 15th century

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Dictionary Entries Near concave



concave grating

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Statistics for concave

Cite this Entry

“Concave.” Dictionary, Merriam-Webster, Accessed 27 Jan. 2022.

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More Definitions for concave



English Language Learners Definition of concave

: having a shape like the inside of a bowl : curving inward


con·​cave | \ kän-ˈkāv How to pronounce concave (audio) \

Kids Definition of concave

: hollow or rounded inward like the inside of a bowl


con·​cave | \ kän-ˈkāv, ˈkän-ˌ How to pronounce concave (audio) \

Medical Definition of concave

: hollowed or rounded inward like the inside of a bowl

More from Merriam-Webster on concave

Nglish: Translation of concave for Spanish Speakers

Britannica English: Translation of concave for Arabic Speakers


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