Dictionary.com
definitions
  • synonyms

vergence

[vur-juh ns]
See more synonyms on Thesaurus.com
noun Ophthalmology.
  1. the turning motion of the eyeballs toward or away from each other.Compare convergence(def 4), divergence(def 3).

Origin of vergence

First recorded in 1900–05; verge2 + -ence
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for vergence

vergence

noun
  1. the inward or outward turning movement of the eyes in convergence or divergence

Word Origin

C19: from verge ² + -ence
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for vergence

n.

1902, from verge + -ence.

Online Etymology Dictionary, © 2010 Douglas Harper

vergence in Medicine

angle of convergence

n.
  1. The angle that the visual axis makes with the medial line when a near object is viewed.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.