plano-concave

Adjective

Meaning

Plane or flat on one side, and concave on the other; as, a plano-concave lens. See Lens.

Source: Webster's dictionary

Examples

If the lens is biconcave or plano-concave, a collimated beam of light passing through the lens is diverged (spread); the lens is thus called a negative or diverging lens. Source: Internet

If one of the surfaces is flat, the lens is plano-convex or plano-concave depending on the curvature of the other surface. Source: Internet

Close letter words and terms

Plano plano convex lens plano- plano-conical plano-convex plano-horizontal