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Concave vs Recessed - What's the difference?

concave | recessed |

As adjectives the difference between concave and recessed

is that concave is curved like the inner surface of a sphere or bowl while recessed is set back; located in a hole, space, or opening.

As verbs the difference between concave and recessed

is that concave is to render concave, or increase the degree of concavity while recessed is past tense of recess.

As a noun concave

is a concave surface or curve.

concave

English

Adjective

(en adjective)
  • curved like the inner surface of a sphere or bowl
  • (geometry, not comparable, of a polygon) not convex; having at least one internal angle greater than 180 degrees..
  • (functional analysis, not comparable, 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.
  • hollow; empty
  • * Shakespeare
  • as concave as a worm-eaten nut

    Antonyms

    * convex

    Derived terms

    * concavely * concaveness * concavity

    Noun

    (en noun)
  • A surface or curve.
  • The vault of the sky.
  • 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).
  • (industry) An element of a curved grid used to separate desirable material from tailings or chaff in mining and harvesting.
  • (surfing) An indentation running along the base of a surfboard, intended to increase lift.
  • (skateboarding) An indented area on the top of a skateboard, providing a position for foot placement and increasing board strength.
  • Verb

    (concav)
  • To render , or increase the degree of concavity.
  • Derived terms

    * concaver ----

    recessed

    English

    Adjective

    (head)
  • set back; located in a hole, space, or opening.
  • withdrawn; secluded
  • * (Maria Edgeworth)
  • comfortably recessed from curious impertinents

    Verb

    (head)
  • (recess)
  • Anagrams

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