concave

adjective
con·​cave | \kän-ˈkāv, ˈkän-ˌkāv \

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

concave

noun
con·​cave | \ˈkän-ˌkāv \

Definition of concave (Entry 2 of 2)

: a concave line or surface

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Synonyms & Antonyms for concave

Synonyms: Adjective

dented, depressed, dished, hollow, indented, recessed, sunken

Antonyms: Adjective

bulging, cambered, convex, protruding, protrusive, protuberant

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Examples of concave in a Sentence

Recent Examples on the Web: Adjective

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, chicagotribune.com, "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, OregonLive.com, "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

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 Chalamet, 22, is five inches shorter, naturally smooth, with a pronounced clavicle and a concave torso. Nick Haramis, New York Times, "Welcome to the Age of the Twink," 14 May 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, OregonLive.com, "Step into a swank 'Mad Men'-era conversation pit: A round midcentury modern landed in Eugene (photos)," 21 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 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 The hinge's position is reported as being one of several options: closed, concave, convex, flat, and full. Peter Bright, Ars Technica, "New hinge API gives more hints about Microsoft’s 2-screen “Andromeda” device," 29 June 2018 The styling is vintage Maserati, with its low-slung concave grill hungry for asphalt. Fortune, "Maserati: 'It May Look Like We Are Targeting Tesla: We Are'," 1 June 2018

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

Adjective

15th century, in the meaning defined at sense 1

Noun

1552, in the meaning defined above

History and Etymology for concave

Adjective

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

Noun

see concave entry 1

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Time Traveler for concave

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

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More Definitions for concave

concave

adjective

English Language Learners Definition of concave

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

concave

adjective
con·​cave | \kän-ˈkāv \

Kids Definition of concave

: hollow or rounded inward like the inside of a bowl

concave

adjective
con·​cave | \kän-ˈkāv, ˈkän-ˌ \

Medical Definition of concave 

: hollowed or rounded inward like the inside of a bowl

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