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binocular

 - 6 dictionary results

bin⋅oc⋅u⋅lar

[buh-nok-yuh-ler, bahy-]
–noun
1. Usually, binoculars. Also called pair of binoculars, prism binoculars. 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
2. involving both eyes: binocular vision.

Origin:
1705–15; bin- + ocular


bin⋅oc⋅u⋅lar⋅i⋅ty, noun
bin⋅oc⋅u⋅lar⋅ly, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To binocular
bin·oc·u·lar   (bə-nŏk'yə-lər, bī-)   


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adj.  
  1. Relating to, used by, or involving both eyes at the same time: binocular vision.

  2. Having two eyes arranged to produce stereoscopic vision.

n.  An optical device, such as a pair of field glasses or opera glasses, designed for simultaneous use by both eyes and consisting of two small telescopes joined with a single focusing device. Often used in the plural.
bin·oc'u·lar'i·ty (-lār'ĭ-tē) n., bin·oc'u·lar·ly adv.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

binocular 
1738, "involving both eyes," from Fr. binoculaire, from L. bini "double" + ocularis "of the eye," from oculus "eye." The double-tubed telescopic instrument (1871, short for binocular glass) earlier was called a binocle (1696).
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

Main Entry: 1bin·oc·u·lar
Pronunciation: bI-'näk-y&-l&r, b&-
Function: adjective
: of, relating to, using,or adapted to the use of both eyes binocular infection> <binocular vision> binocular microscope> —bin·oc·u·lar·ly /bI-'näk-y&-l&r-lE, b&-/ adverb

Main Entry: 2bin·oc·u·lar
Pronunciation: b&-'näk-y&-l&r, bI-
Function: noun
: a binocular optical instrument
Medical Dictionary

binocular bin·oc·u·lar (bə-nŏk'yə-lər, bī-)
adj.
Adapted to the use of both eyes. Used of an optical instrument.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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