Definition of optical
1 : of or relating to the science of optics
2a : of or relating to vision : visualb : visible 1 optical wavelengthc : of, relating to, or being objects that emit light in the visible range of frequencies an optical galaxyd : using the properties of light to aid vision an optical instrument
3a : of, relating to, or utilizing light especially instead of other forms of energy optical microscopyb : involving the use of light-sensitive devices to acquire information for a computer optical character recognition
4 : of or relating to optical art
opticallyplay \ˈäp-ti-k(ə-)lē\ adverb
Examples of optical in a Sentence
The company manufactures microscopes, telescopes, and other optical instruments.
an optical illusion that fools most people
Recent Examples of optical from the Web
Songs: Say My Name, Sun Models, Late Night Phantogram (Sunday)With a name inspired by an optical illusion, this girl-guy duo from Greenwich, New York is bound to produce something trippy.
Her mother, also retired, taught optical engineering at the University of La Verne in La Verne, Calif.
Sanmina announces expansion of technology center in Costa Mesa The Sanmina Corporation — an optical, electronic and mechanical product company headquartered in San Jose — announced plans this week to expand its technology center in Costa Mesa.
Description: Use recycled materials to build a wind chime, create 3-D works of art and paint an optical illusion.
This concealer masks the appearance of dark circles and unwanted lines by blending and blurring the delicate skin with micro-fillers and optical diffusers.
Scientists have used optical equipment to build simple neural nets, but these setups required tabletops full of sensitive mirrors and lenses.
Such integration includes Costco working with farmers to help them buy land and equipment to grow organics, building its own poultry farm, owning and operating its own beef plant and hot dog factory, and having its own optical grinding factory.
Hilton Lewis Hilton Lewis is director of the W. M. Keck Observatory on the Island of Hawaii, home to the world's two largest optical/infrared telescopes.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'optical'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of optical
OPTICAL Defined for English Language Learners
Definition of optical for English Language Learners
: used to help a person see
: relating to or using light
: involving the use of devices that get information for a computer by identifying patterns of light
OPTICAL Defined for Kids
Seen and Heard
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