monocular

1 of 2

adjective

mon·​oc·​u·​lar mä-ˈnä-kyə-lər How to pronounce monocular (audio)
mə-
1
: of, involving, or affecting a single eye
2
: suitable for use with only one eye
monocularly adverb

monocular

2 of 2

noun

: a monocular device

Examples of monocular in a Sentence

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
The views from this monocular are stunning thanks to a combination of optical technology that makes the subject bright and true-to-color. Harry Bennett, Space.com, 25 Nov. 2025 Beyond the prison sentence, Roske must also forfeit the items seized from her luggage, which also included a thermal imaging monocular, tactical gloves and a crowbar and pay a standard $100 special assessment fee. Zach Schonfeld, The Hill, 3 Oct. 2025
Noun
But that's no reason to overlook these optical devices; the best monoculars are even more portable than binoculars or telescopes, and can be popped into a pocket with ease. Chris McMullen, Space.com, 20 Dec. 2025 Full goggles: Night vision goggles mix some of the pros and cons of monoculars and binoculars. Bestreviews, Chicago Tribune, 9 June 2025 See All Example Sentences for monocular

Word History

Etymology

Adjective

Late Latin monoculus having one eye

First Known Use

Adjective

1640, in the meaning defined at sense 1

Noun

1936, in the meaning defined above

Time Traveler
The first known use of monocular was in 1640

Browse Nearby Words

Cite this Entry

“Monocular.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/monocular. Accessed 30 Dec. 2025.

Medical Definition

monocular

adjective
mon·​oc·​u·​lar mä-ˈnäk-yə-lər, mə- How to pronounce monocular (audio)
1
: of, involving, or affecting a single eye
monocular vision
2
: suitable for use with only one eye
a monocular microscope
monocularly adverb

More from Merriam-Webster on monocular

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