plano-concave

[ pley-noh-kon-keyv, -kon-keyv ]
/ ˌpleɪ noʊˈkɒn keɪv, -kɒnˈkeɪv /

adjective Optics.

pertaining to or noting a lens that is plane on one side and concave on the other.

Origin of plano-concave

First recorded in 1685–95; plano-1 + concave

British Dictionary definitions for planoconcave

plano-concave
/ (ˌpleɪnəʊˈkɒnkeɪv) /

adjective

(of a lens) having one side concave and the other side plane

Medical definitions for planoconcave

planoconcave
[ plā′nō-kŏn-kāv, -kŏnkāv′ ]

adj.

Flat on one side and concave on the other.