monocular

[ muh-nok-yuh-ler ]

adjective

1. having only one eye.
2. of, relating to, or for the use of only one eye:

   a monocular microscope.

noun

1. a monocular instrument or device.

monocular

/ mɒˈnɒkjʊlə /

adjective

1. having to do with or using only one eye

noun

1. a device for use with one eye, such as a field glass

Derived Forms

• moˈnocularly, adverb

Other Words From

• mo·nocu·lar·ly adverb

Word History and Origins

Origin of monocular¹

1630–40; < Late Latin monocul ( us ) one-eyed ( monocle ) + -ar ¹

Word History and Origins

Origin of monocular¹

C17: from Late Latin monoculus one-eyed

Example Sentences

Once we got to the prairie, he handed me his monocular and directed my gaze upward to a yellow bird he’d never seen before, while he flipped through The Sibley Guide to Birds.

From Outside Online

If you don’t want to carry a full pair, this monocular is a great compromise, because it fits in the chest pocket of a jacket but features sharp optics and an 8x magnification for a very reasonable price.

From Outside Online

At 270 grams, this 8x monocular is a no-brainer to throw in your pocket for long-distance gazing.

From Outside Online

That’s all packed into a portable night-vision monocular that weighs less than three quarters of a pound.

From Popular-Science

So binoculars are best if you want to see objects farther away, monoculars are best if you need to keep weight down in your pack, and NVGs are best if you’re looking for night sight that’s easy to use, especially when on the move.

From Popular-Science

Nystagmus occasionally occurs in monocular fixation (with exclusion of the other eye).

From Project Gutenberg

Rapidly occurring monocular visual disturbances are noticed, whether detected with or without the ophthalmoscope.

From Project Gutenberg

In monocular vision, on the contrary, the movement is uniformly upward and involves a progressive increase in error.

From Project Gutenberg

Several points of comparison between judgments made with binocular and with monocular vision remain to be stated.

From Project Gutenberg

I have a very good prism monocular—twenty-five diameter magnification, with a splendid definition.

From Project Gutenberg