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

Related Words for dioptrics

catoptrics, dioptrics

Examples from the Web for dioptrics

Historical Examples of dioptrics

British Dictionary definitions for dioptrics



(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

dioptrics in Medicine




The branch of optics that deals with the refraction of light.
Related formsdi•optric adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.