Plano-convex

[Plano- + convex.]
Plane or flat on one side, and convex on the other; as, a plano-convex lens. See Convex, and Lens.

A shape of sun-dried brick, flat on one side, convex on the other, typical of early Mesopotamian construction.

Look up plano-convex in Wiktionary, the free dictionary.

Plano-convex is most commonly used to refer to:

• Plano-convex lenses, in optics; see Lens (optics)#Types_of_simple_lenses
• The plano-convex type of mudbrick, used by the ancient Sumerians

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