Definition of "concave" [con•cave]

  • (adjective) Curved like the inner surface of a sphere.
  • (noun) A concave surface, structure, or line.
  • (verb-transitive) To make concave.

Use "concave" in a sentence

  • "It flowed in a gentle concave from the road up the mountain, its farther boundary an unbroken line of timber."
  • "The last three types, called concave lenses, scatter parallel rays so that they do not come to a focus, but diverge widely after passage through the lens."
  • "That surface of the bow which faces the string when drawn into action, that is, the concave arc, is called the belly of the bow."

Words like "concave"

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