Concave Definition
kŏn-kāv, kŏnkāv
concaved, concaves, concaving
adjective
Having a surface that is curved like the inside of a bowl.
Webster's New World
(functional analysis, not comparable, of a real-valued function on the reals) Having an epigraph which is a concave set.
Wiktionary
noun
A concave surface, object, etc.
Webster's New World
The vault of the sky.
Wiktionary
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).
Wiktionary
(manufacturing) An element of a curved grid used to separate desirable material from tailings or chaff in mining and harvesting.
Wiktionary
verb
concaved, concaves, concaving
To make concave.
Webster's New World
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