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Definitions for Concave

[1] curved like a segment of the interior of a circle or hollow sphere; hollow and curved. Compare convex(def 1) .
[2] Geometry . (of a polygon) having at least one interior angle greater than 180°.
[3] Obsolete . hollow.
[4] a concave surface, part, line, or thing.
[5] Machinery . a concave piece, as one against which a drum rotates.
[6] to make concave.
[7] curving inwards
[8] physics having one or two surfaces curved or ground in the shape of a section of the interior of a sphere, paraboloid, etc a concave lens
[9] maths (of a polygon) containing an interior angle greater than 180°
[10] an obsolete word for hollow
[11] (tr) to make concave

Words related to Concave

dipped, hollow, round, rounded, sinking, sunken, biconcave, cupped, dented, dimpled, excavated, hollowed, incurvate, sagging

Words nearby Concave

conc., concanavalin a, concatenate, concatenation, concato's disease, concave, concave lens, concavity, concavo-concave, concavo-concave lens, concavo-convex

Origin of Concave

1375–1425; late Middle English (< Middle French ) < Latin concavus, hollow. See con-, cave

Other words from Concave

con·cave·ly , adverb
con·cave·ness , noun
sub·con·cave , adjective
sub·con·cave·ly , adverb
sub·con·cave·ness , noun

Word origin for Concave

C15: from Latin concavus arched, from cavus hollow

Synonyms for Concave

biconcave, cupped, dented, dimpled, dipped, excavated, hollow, hollowed, incurvate, incurvated, incurved, indented, round, rounded, sagging, scooped, sinking, sunken