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binocular

[ buh-nok-yuh-ler, bahy- ]

noun

  1. Usually binoculars. Also called pair of binoculars, an optical device, providing good depth effect, for use with both eyes, consisting of two small telescopes fitted together side by side, each telescope having two prisms between the eyepiece and objective for erecting the image.


adjective

  1. involving both eyes:

    binocular vision.

binocular

/ baɪ-; bɪˈnɒkjʊlə /

adjective

  1. involving, relating to, seeing with or intended for both eyes

    binocular vision

“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


binocular

/ bə-nŏkyə-lər /

Adjective

  1. Relating to or involving both eyes at once, as in binocular vision.


Noun

  1. An optical device, such as a pair of field glasses, consisting of two small telescopes, designed for use by both eyes at once. Often used in the plural as binoculars.
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Other Words From

  • bin·ocu·lari·ty noun
  • bin·ocu·lar·ly adverb
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Word History and Origins

Origin of binocular1

First recorded in 1705–15; bin- + ocular
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Word History and Origins

Origin of binocular1

C18: from bi- 1+ Latin oculus eye
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Example Sentences

Incidentally, because it is close to the sun, please don’t use binoculars or a telescope to look directly at the sun.

His bodyguard, up in the stands, considered reaching for the pistol in his binocular case.

From Time

People can pay homage to Galileo by observing this conjunction with a pair of binoculars, if not a telescope.

From Fortune

My companions scanned the treetops with binoculars and a thermal-imaging monocular.

Bank fishing is a lot like jump-shooting waterfowl in that you can use binoculars and you can see the ripples or a pod of fish in the water.

One of the officers instantly went to the top with his binocular, bringing it to bear on a small, far distant speck on the ocean.

But no sign of the Polynesia 55 was discovered through the powerful binocular glasses with which Captain Bergen swept the horizon.

Then getting out a powerful binocular I rode up to a point whence I knew I could command a considerable sweep.

This identity presupposes the habit of binocular fusion; but convergent squint arises, as a rule, before this habit is acquired.

Examination with the stereoscope showed no normal binocular fusion even during normal position of the eyes.

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binoclebinocular disparity