optical

[op-ti-kuh l]
|

adjective

noun

opticals. optical effects.

Origin of optical

First recorded in 1560–70; optic + -al1
Related formsop·ti·cal·ly, adverbnon·op·ti·cal, adjectivenon·op·ti·cal·ly, adverbsub·op·ti·cal, adjectivesub·op·ti·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for non-optical

optical

adjective

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

optical

adj.

1560s, from optic + -al (1). Of abstract art, from 1964. Related: Optically.

Online Etymology Dictionary, © 2010 Douglas Harper

Science definitions for non-optical

optical

[ŏptĭ-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.