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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
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


noun

  1. a device for use with one eye, such as a field glass
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Derived Forms

  • moˈnocularly, adverb
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Other Words From

  • mo·nocu·lar·ly adverb
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Word History and Origins

Origin of monocular1

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

Origin of monocular1

C17: from Late Latin monoculus one-eyed
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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.

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.

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

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

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.

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

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

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

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

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

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