optic

1 of 2

adjective

op·​tic ˈäp-tik How to pronounce optic (audio)
Synonyms of opticnext
: of or relating to vision or the eye

optic

2 of 2

noun

1
: eye
2
a
: any of the elements (such as lenses, mirrors, or light guides) of an optical instrument or system
usually used in plural
b
: an optical instrument

Synonyms of optic

Examples of optic in a Sentence

Adjective the optic nerve
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Adjective
Hetzel was diagnosed with NF and an optic glioma that impacts her vision. Wakisha Bailey, CBS News, 1 May 2026 Bring Alaïa’s soft sage skirt into sharp focus with the addition of monochromatic extras—a sculptural black top and optic white heels. Christina Holevas, Vogue, 25 Apr. 2026
Noun
RoboTechnik’s pivot to optics has also helped offset some of the loss from China’s solar industry, which is facing headwinds due to overcapacity and intense competition. Zinnia Lee, Forbes.com, 15 May 2026 He was also recently pictured on holiday with his girlfriend as the team continued to struggle for results, optics that didn’t go down well with the club’s faithful. Ben Church, CNN Money, 13 May 2026 See All Example Sentences for optic

Word History

Etymology

Adjective

Middle English, from Medieval Latin opticus, from Greek optikos, from opsesthai to be going to see; akin to Greek opsis appearance, ōps eye — more at eye

First Known Use

Adjective

15th century, in the meaning defined above

Noun

1601, in the meaning defined at sense 1

Time Traveler
The first known use of optic was in the 15th century

Browse Nearby Words

Cite this Entry

“Optic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/optic. Accessed 21 May. 2026.

Kids Definition

optic

adjective
op·​tic
ˈäp-tik
: of or relating to vision or the eye
Etymology

Adjective

Middle English optic "relating to the eye," from Latin opticus (same meaning), from Greek optikos (same meaning), from opsesthai "to be going to see" — related to autopsy

Medical Definition

optic

1 of 2 adjective
op·​tic ˈäp-tik How to pronounce optic (audio)
1
a
: of or relating to vision
optic phenomena
b
: dependent chiefly on vision for orientation
humans are basically optic animals
2
a
: of or relating to the eye : ocular
b
: affecting the eye or an optic structure

optic

2 of 2 noun
1
: any of the elements (as lenses, mirrors, or light guides) of an optical instrument or system
usually used in plural
2
: an optical instrument

More from Merriam-Webster on optic

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster