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Uncommonconcave
The correct spelling is concave.
How to pronounce concave
/ˈkɒŋkeɪv/
nounIPA: /ˈkɒŋkeɪv/
Say it like: Con-cav-e
The correct spelling is concave. A concave surface or curve. For example: "Aristotle makes [Fire] to move to the concave of the Moon. - Thomas Salusbury (1661)."
Usage Examples
“Aristotle makes [Fire] to move to the concave of the Moon. - Thomas Salusbury (1661).”
Meanings
noun
- 1.A concave surface or curve.
- 2.The vault of the sky.
- 3.One of the celestial spheres of the Ptolemaic or geocentric model of the world.
- 4.An element of a curved grid used to separate desirable material from tailings or chaff in mining and harvesting.
- 5.An indentation running along the base of a surfboard, intended to increase lift.
verb
- 1.To render concave, or increase the degree of concavity.
adjective
- 1.Curved like the inner surface of a sphere or bowl
- 2.(of a polygon) not convex; having at least one internal angle greater than 180 degrees.
- 3.(of a real-valued function on the reals) satisfying the property that all segments connecting two points on the function's graph lie below the function.
- 4.Hollow; empty
Similar words
Words related in meaning — check their spelling too.