plano-concave


plano-concaveLight rays disperse through a plano-concave lens.

pla·no-con·cave

P0351500 (plā′nō-kŏn-kāv′, -kŏn′kāv′)adj. Flat on one side and concave on the other: a plano-concave lens.

plano-concave

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

pla•no-con•cave

(ˌpleɪ noʊ kɒnˈkeɪv, -ˈkɒn keɪv)

adj. pertaining to or noting a lens that is plane on one side and concave on the other. [1685–95]