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 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, "The Xbox Series X is the best computer console owners have ever tried," 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, "It’s grilling season, but for a better burger, use the stove," 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, "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 Recent Examples on the Web: Noun Insulating the big mirror against changing temperatures is extremely important because the slightest change in shape of the concave surface might destroy its effectiveness. Popular Mechanics Editors, Popular Mechanics, "The Wonders of Astronomy: The Cutting Edge Space Telescope...of 1939," 17 Dec. 2020 The ceiling’s concave curves bring in natural light, and the entire building is clad in hollow glass tubes that trap hot air, creating a natural cooling effect. Leena Kim, Town & Country, "Houston's Museum of Fine Arts Is Proof That Everything Really Is Bigger In Texas," 23 Oct. 2020 MagicGrips are soft cushions that adhere to the sides of the mouse, giving it a large, concave surface on which to rest your fingers and enjoy a wider grip that feels great. Popular Science, "The latest Apple event giving you major FOMO? Here are some deals to help ease the pain.," 22 Sep. 2020 Best-fit for stir-fry and noodle dishes, this uniquely shaped cookware has a concave design that concentrates heat to the bottom of the pan. Melissa Lee, USA TODAY, "The 5 best Amazon deals you can get this Friday," 12 Sep. 2020 Our final favorite feature is the slightly concave keys which help guide your fingers to their targets more accurately. Corey Gaskin And Jeff Dunn, Ars Technica, "The Ars Technica ultimate buying guide for your home office setup," 11 Sep. 2020 Thanks to the concave shape, heat will be evenly concentrated at the bottom of the pan, and its steep sides help to prevent splatters. Nicole Briese, USA TODAY, "The 5 best Amazon deals you can get this Friday," 5 Sep. 2020 These soft cushions adhere to the sides of an Apple Magic Mouse 1 & 2, giving it a large, concave surface on which to rest your fingers. Popular Science, "Need a new keyboard or mouse? Check out these deals from the PopSci Shop.," 29 Aug. 2020 Its concave offering cavity was sealed with a round stone plug and coated in sediment, suggesting the container hadn’t been disturbed since it was lowered into the lake centuries ago. Claire Bugos, Smithsonian Magazine, "Inca Llama Carving Recovered From Depths of Lake Titicaca," 5 Aug. 2020

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.” Dictionary, Merriam-Webster, Accessed 20 Jan. 2021.

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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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