[ op-ti-kuh l ]
/ ˈɒp tɪ kəl /
of, relating to, or applying optics or the principles of optics.
constructed to assist sight or to correct defects in vision.
of or relating to sight or vision; visual.
of or relating to the eye.
of or relating to an optician or opticians or to their products, especially eyeglasses: an optical service.
dealing with or skilled in optics.
opticals. optical effects.
Our Favorite Viral Optical Illusions ExplainedRead more in this article about some frequently asked questions and fun facts related to our definitions.
Allusion vs. IllusionThe similar spellings and pronunciations of allusion and illusion can cause even seasoned writers to second-guess their choice of words. Today we will examine and clarify the differences between these two terms. An allusion is a reference, direct or implied, to something or someone. Allusions are often found in books, songs, TV shows, and movies. For instance, the title of Aldous Huxley’s classic novel Brave …
op·ti·cal·ly, adverbnon·op·ti·cal, adjectivenon·op·ti·cal·ly, adverbsub·op·ti·cal, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for non-optical
The vision of our dreams—to keep to vision alone for greater simplicity—is non-optical vision.Human Personality and its Survival of Bodily Death|Frederick W. H. Myers
British Dictionary definitions for non-optical
/ (ˈɒptɪkəl) /
of, relating to, producing, or involving light
of or relating to the eye or to the sense of sight; optic
(esp of a lens) aiding vision or correcting a visual disorder
Derived Formsoptically, adverb
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 non-optical
Online Etymology Dictionary, © 2010 Douglas Harper
Science definitions for non-optical
[ ŏp′tĭ-kəl ]
Relating to vision or the eyes.
Relating to optics.
Relating to or using visible light.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.