monocular

1 of 2

adjective

mon·​oc·​u·​lar mä-ˈnä-kyə-lər 

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

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

For one thing, the AN/PVS-14 was a monocular system using a single image tube. — David Szondy may 17, New Atlas, 17 May 2026

Noun

The best binoculars, monoculars and telescopes for eclipse night will also be superb for planetary observing, deep-sky exploration, wildlife watching and travel. — Jamie Carter, Space.com, 27 Feb. 2026

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

Rhymes for monocular

• binocular
• postocular
• interocular
• multilocular
• unilocular
• jocular
• ocular

Medical Definition

monocular

adjective

mon·​oc·​u·​lar mä-ˈnäk-yə-lər, mə- 

1

: of, involving, or affecting a single eye

monocular vision

2

: suitable for use with only one eye

a monocular microscope

monocularly adverb