convex : Idioms & Phrases


concavo-convex

  • adjective satellite concave on one side and convex on the other with the concavity being greater than the convexity
WordNet
Con*ca`vo-con"vex adjective
Definitions
  1. Concave on one side and convex on the other, as an eggshell or a crescent.
  2. (Optics) Specifically, having such a combination of concave and convex sides as makes the focal axis the shortest line between them. See Illust. under Lens.
Webster 1913

convex lens

  • noun lens such that a beam of light passing through it is brought to a point or focus
    converging lens.
WordNet

convex polygon

  • noun a polygon such that no side extended cuts any other side or vertex; it can be cut by a straight line in at most two points
WordNet

convex polyhedron

  • noun a polyhedron any plane section of which is a convex polygon
WordNet

convex shape

  • noun a shape that curves or bulges outward
    convexity.
WordNet

convexo-convex

  • adjective satellite convex on both sides; shaped like a lentil
    lentiform; lenticular; biconvex.
WordNet
Con*vex"o-con"vex adjective
Definitions
  1. Convex on bot sides; double convex. See under Convex, a.
Webster 1913

Double convex

  • convex on both sides; convexo-convex.
Webster 1913

plano-convex

Pla"no-con"vex adjective
Etymology
Plano- + convex.
Definitions
  1. Plane or flat on one side, and convex on the other; as, a plano-convex lens. See Convex, and Lens.
Webster 1913

regular convex polyhedron

  • noun any one of five solids whose faces are congruent regular polygons and whose polyhedral angles are all congruent
    ideal solid; Platonic body; Platonic solid; regular polyhedron; regular convex polyhedron.
WordNet

regular convex solid

  • noun any one of five solids whose faces are congruent regular polygons and whose polyhedral angles are all congruent
    ideal solid; Platonic body; Platonic solid; regular polyhedron; regular convex polyhedron.
WordNet