Definitions for concave
kɒnˈkeɪv, ˈkɒn keɪv; ˈkɒn keɪvcon·cave

Princeton's WordNetRate this definition:0.0 / 0 votes

1. concaveadjective

   curving inward

WiktionaryRate this definition:5.0 / 1 vote

1. concavenoun

   A concave surface or curve.

2. concavenoun

   The vault of the sky.

3. concavenoun

   One of the celestial spheres of the Ptolemaic or geocentric model of the world.

   Aristotle makes [Fire] to move to the concave of the Moon. - Thomas Salusbury (1661).

4. concavenoun

   An element of a curved grid used to separate desirable material from tailings or chaff in mining and harvesting.

5. concavenoun

   An indentation running along the base of a surfboard, intended to increase lift.

6. concavenoun

   An indented area on the top of a skateboard, providing a position for foot placement and increasing board strength.

7. concaveverb

   To render concave, or increase the degree of concavity.

8. concaveadjective

   curved like the inner surface of a sphere or bowl

Samuel Johnson's DictionaryRate this definition:0.0 / 0 votes

1. CONCAVEadjective

   Etymology: concavus, Latin.

   1. Hollow without angles; as, the inner surface of an eggshell, the inner curve of an arch: opposed to convex.

   These great fragments falling hollow, inclosed under their concave surface a great deal of air. Thomas Burnet, Theory of the Earth.

   2. Hollow.

   Have you not made an universal shout,
   That Tyber trembled underneath his banks,
   To hear the replication of your sounds
   Made in his concave shores? William Shakespeare, Julius Cæsar.

   For his verity in love, I do think him as concave as a covered goblet, or a worm-eaten nut. William Shakespeare, As you like it.

ChatGPTRate this definition:0.0 / 0 votes

1. concave

   A shape, surface or object is considered being concave if it curves inward or has an outline or surface that curves inward. In mathematics, a function or set is described as concave if it has a shape that curves inward or a curve that bends inwards towards the axis. This term is often used in contrast to convex, where a shape or surface curves outward.

Webster DictionaryRate this definition:0.0 / 0 votes

1. Concaveadjective

   hollow and curved or rounded; vaulted; -- said of the interior of a curved surface or line, as of the curve of the of the inner surface of an eggshell, in opposition to convex; as, a concave mirror; the concave arch of the sky

2. Concaveadjective

   hollow; void of contents

3. Concavenoun

   a hollow; an arched vault; a cavity; a recess

4. Concavenoun

   a curved sheath or breasting for a revolving cylinder or roll

5. Concaveverb

   to make hollow or concave

6. Etymology: [L. concavus; con- + cavus hollow: cf. F. concave. See Cave a hollow.]

Chambers 20th Century DictionaryRate this definition:0.0 / 0 votes

1. Concave

   kon′kāv, adj. curved, vaulted, or arched, applied to the inner side of any curved line or rounded body, and opposed to convex, which is applied to the outside.—n. a hollow: an arch or vault.—adv. Con′cavely.—n. Concav′ity, the quality of being concave: the inner surface of a concave or hollow body.—adjs. Concā′vo-con′cave, or Doub′le-con′cave, concave on both sides of a lens; Concā′vo-con′vex, concave on one side, and convex on the other. [L. concavus, from con, inten., and cavus, hollow. See Cave.]

EntomologyRate this definition:0.0 / 0 votes

1. Concave

   hollowed out; the interior of a sphere as opposed to the outer or convex surface: concave veins are those that occupy the bottoms of troughs or grooves on the upper surface of a wing; see convex veins.

How to pronounce concave?

1. Alex

   US English

   David

   US English

   Mark

   US English

   Daniel

   British

   Libby

   British

   Mia

   British

   Karen

   Australian

   Hayley

   Australian

   Natasha

   Australian

   Veena

   Indian

   Priya

   Indian

   Neerja

   Indian

   Zira

   US English

   Oliver

   British

   Wendy

   British

   Fred

   US English

   Tessa

   South African

How to say concave in sign language?

Numerology

1. Chaldean Numerology

   The numerical value of concave in Chaldean Numerology is: 3

2. Pythagorean Numerology

   The numerical value of concave in Pythagorean Numerology is: 9

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References

1. ^ Princeton's WordNet
   http://wordnetweb.princeton.edu/perl/webwn?s=concave
2. ^ Wiktionary
   https://en.wiktionary.org/wiki/Concave
3. ^ Samuel Johnson's Dictionary
   https://johnsonsdictionaryonline.com/views/search.php?term=concave
4. ^ ChatGPT
   https://chat.openai.com
5. ^ Webster Dictionary
   https://www.merriam-webster.com/dictionary/concave
6. ^ Chambers 20th Century Dictionary
   https://www.gutenberg.org/files/37683/37683-h/37683-h.htm#:~:text=concave
7. ^ Entomology
   https://www.gutenberg.org/files/22748/22748-h/22748-h.htm#:~:text=concave