concave definition

  • adjective:
    • Curved such as the inner area of a sphere.
    • curved such as the inner area of a sphere or bowl
    • Hollow and curved or curved; vaulted; -- said of this inside of a curved area or range, as of the bend for the associated with inner surface of an eggshell, versus convex.
    • Hollow; void of items.
    • curving inwards
  • noun:
    • A concave surface, framework, or line.
    • A concave area or curve.
    • The vault of the sky.
    • among the celestial spheres of this Ptolemaic or geocentric style of the whole world.
    • some a curved grid familiar with separate desirable product from tailings or chaff in mining and harvesting.
    • An indentation running over the base of a surfboard, intended to increase raise.
    • An indented area at the top of a skateboard, offering a posture for foot positioning and increasing board power.
    • A hollow; an arched vault; a cavity; a recess.
    • A curved sheath or breasting for a revolving cylinder or roll.
    • A hollow; an arch or vault; a concavity.
    • Any inwardly curved percentage of a machine: as, the concave of a thresher (the curved breast when the cylinder works).
    • A concave mirror.
    • The vault or arch of paradise: as, “the blue concave.”
    • A playing card therefore trimmed that it could be separated from others in line with the purpose for which the pack was ready.
  • verb-transitive:
    • to help make concave.
    • In order to make hollow or concave.
  • verb:
    • To make concave, or raise the amount of concavity.
  • others:
    • Curved or curved in the way regarding the circumference of a circle or the surface of a sphere when seen from the center; presenting a hollow or incurvation; incurved; ergo, bounded by such a line or surface: as, a concave mirror.
    • Hollow; empty.
    • To make hollow.

Related Sources

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    • Curved such as the inner area of a…
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