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

(set theory, not comparable, of a set) Not convex; arranged such that there exist at least two points for which a straight line between these points does not lie wholly within the set.

Wiktionary

(functional analysis, not comparable, of a real-valued function on the reals) Having an epigraph which is a concave set.

Wiktionary

Hollow; empty.

Wiktionary
Synonyms:
Antonyms:
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

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

Wiktionary
verb
concaved, concaves, concaving
To make concave.
Webster's New World

Other Word Forms of Concave

Noun

Singular:
concave
Plural:
concaves

Origin of Concave

  • Middle English from Latin concavus com- intensive pref. com– cavus hollow keuə- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Old French concave, from Latin concavus.

    From Wiktionary

Concave Sentence Examples

  • Concave Lenses are used in the treatment of myopia or shortsight.

  • He refers to Maurolycus' work with concave specula.

  • Rayleigh points out that this clinging of the sound to the surface of a concave wall does not depend on the exactness of the spherical form.

  • The facial line is concave.

  • Screws.The figure of a screw is that of a convex or concave cylinder, with one or more helical projections, called threads, winding round it.

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Words Starting With

CCOCON

Words Ending With

EVEAVE

Unscrambles

concave

Words Starting With C and Ending With E

Starts With C & Ends With EStarts With CO & Ends With EStarts With C & Ends With VE

Word Length

7 Letter Words7 Letter Words Starting With C7 Letter Words Ending With E