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

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Synonyms & Antonyms for concave

Synonyms: Adjective

Antonyms: Adjective

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Examples of concave in a Sentence

Recent Examples on the Web: Adjective 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, "The Ars Holiday Gift Guide 2018—good tech for the home and home office," 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, "2019 Volvo XC40 SUV has wireless phone charging, carryout bag hook," 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, "Made in the USA: One Awesome Thing Built in Each State," 29 June 2017 Its concave east and west sides would be adorned with vertical fins. Blair Kamin,, "Tribune Tower plans would energize an old landmark, but don't yet create a new one," 18 Apr. 2018 The right side of his chest was ever so slightly concave, as if missing a bone or two. Aaron Gilbreath, Longreads, "The Wolves," 2 Apr. 2018 Other cool factors: Walls painted white or clad in buff stone, clerestory windows in the rook-like fireplace tower, rounded Streamline Moderne-esque kitchen counters and a clean concave cut in a bathroom counter. Janet Eastman,, "Step into a swank 'Mad Men'-era conversation pit: A round midcentury modern landed in Eugene (photos)," 21 Mar. 2018 The concave façades channel the winds, creating microclimates in the courtyards to create more liveable spaces. Fortune Staff, Fortune, "'It’s a Celebration of Life.' Ole Scheeren on How Architecture Shapes the World," 6 Mar. 2018 That is a lot of nothingness: The painting, produced on a concave panel, is more than 6 feet tall. Molly Glentzer, Houston Chronicle, "Art Daybook: Roberto Cortázar's painting as existential crisis," 21 Feb. 2018 Recent Examples on the Web: Noun Reflector telescopes gather light with a concave parabolic mirror in the end of an open tube. Mike Lynch, Twin Cities, "Skywatch: How to buy a telescope for a gift," 24 Nov. 2019 Jenny lies facedown, the back of her skull cracked and concave, the pieces held together by a mortar of extruded brains. Christian Holub,, "Read an excerpt from Dean Koontz's newest story collection, Nameless," 11 Nov. 2019 The appointments mean Francis will have named more than half of the members in the College of Cardinals who are eligible to vote in a concave to choose the next pope. San Diego Union-Tribune, "Pope makes 13 cardinals as he molds a future in his likeness," 5 Oct. 2019 The slab would be concave, with a liner underneath, to protect against potential spills. Denise Coffey,, "Pomfret Considers A Regional Environmental Depot," 30 Sep. 2019 To the victor went the spoils, including the World Professional Football Championship Trophy, a bauble featuring a regulation-size football in a kicking position set on a pyramid-like stand with three concave sides, all done up in sterling silver., "A History of Football in 100 Objects," 28 Aug. 2019 This lively woodland motif contrasts sharply with a plain, narrow concave channel and tightly curled ribbon pattern. Dallas News, "The centuries-old story behind a new artistic match at the Kimbell Art Museum," 1 Aug. 2019 Like a concave mirror, American bureaucracy reflects American pathologies and causes them to converge. Kevin D. Williamson, National Review, "Inching Back toward the Rule of Law," 23 June 2019 The tips should be dangling, attached to the concave side of the shell. Alex Delany, Bon Appétit, "Before You Eat or Cook Snap Peas, You've Got to Do This," 19 June 2019

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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Statistics for concave

Cite this Entry

“Concave.” The Dictionary, Merriam-Webster Inc., Accessed 9 December 2019.

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More Definitions for concave


How to pronounce concave (audio) How to pronounce concave (audio)

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

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More from Merriam-Webster on concave

Thesaurus: All synonyms and antonyms for concave

Rhyming Dictionary: Words that rhyme with concave

Spanish Central: Translation of concave

Nglish: Translation of concave for Spanish Speakers

Britannica English: Translation of concave for Arabic Speakers

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