Vĕr'gen-cy, n.
n. 1. The act of verging or approaching; approach; proximity. [Rare.] 2. (Opt.) The reciprocal of the focal distance of a lens, used as a measure of the divergence or convergence of a pencil of rays. Lloyd.
n. 1. The act of verging or approaching; approach; proximity. [Rare.] 2. (Opt.) The reciprocal of the focal distance of a lens, used as a measure of the divergence or convergence of a pencil of rays. Lloyd.