concave

adjective
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

concave

noun
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

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

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, 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

Tulips: Spoon or pipe melted yellow candy melts into the concave side of a spoon. Woman's Day Kitchen, Woman's Day, "Mother's Day Cookie Bouquet," 6 May 2019 British engineers dreamed up a network of concrete blocks, each with a concave surface, deployed in the direction of approaching German aircraft. Kyle Mizokami, Popular Mechanics, "The Huge Concrete “Mirrors” That Helped the U.K. Predict Air Raids During World War I," 10 Jan. 2019 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 The decades that followed brought funkier, ergonomically minded designs, like split-handed keyboards and devices with letters laid out on concave bowl-like depressions. Laine Higgins, WSJ, "Look, Ma, One Hand: Typing Gets a Makeover," 7 Sep. 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 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

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 and Noun

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

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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 How to pronounce concave (audio) \

Kids Definition of concave

: hollow or rounded inward like the inside of a bowl

concave

adjective
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

Rhyming Dictionary: Words that rhyme with concave

Thesaurus: All synonyms and antonyms for 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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