Vergency Ver"gen*cy, n. 1. The act of verging or approaching; tendency; approach. [R.] [1913 Webster]

2. (Opt.) The reciprocal of the focal distance of a lens, used as measure of the divergence or convergence of a pencil of rays. [R.] --Humphrey Lloyd. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • vergency — ver·gen·cy (vurґjən se) vergence …   Medical dictionary

  • vergency — ver·gen·cy …   English syllables

  • vergency — nsē, si noun ( es) Etymology: verge (III) + ency 1. obsolete : the act or process of verging, approaching, or bordering on something : te …   Useful english dictionary

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