[ dahy-op-triks ]
/ daɪˈɒp trɪks /

noun (used with a singular verb)

the branch of geometrical optics dealing with the formation of images by lenses.


Origin of dioptrics

1635–45; see dioptric, -ics
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for dioptrics

British Dictionary definitions for dioptrics


/ (daɪˈɒptrɪks) /


(functioning as singular) the branch of geometrical optics concerned with the formation of images by lenses

Word Origin for dioptrics

C20: from dioptre + -ics
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

Medicine definitions for dioptrics


[ dī-ŏptrĭks ]


The branch of optics that deals with the refraction of light.

Related forms

di•optric adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.