Vergency n. : The act of verging or approaching; tendency; approach.

Vergency n. : The reciprocal of the focal distance of a lens, used as measure of the divergence or convergence of a pencil of rays.

Example:


Taxonomy
Everybody Loves Raymond, new band, Raymond Raymond, critics, once a year, new album, Toilet, Hooked Up, to Nothing, Barnes, MOVIES, Loom of the Land, edge, Raymond Street, Trick.

Defination from the web: