binocular [ b uh- nok-y uh-ler, bahy- ] SHOW IPA / bəˈnɒk yə lər, baɪ- / PHONETIC RESPELLING EXAMPLES | WORD ORIGIN noun 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 involving both eyes: binocular vision. Origin of binocular
First recorded in
ocular Related forms bin·oc·u·lar·i·ty, noun bin·oc·u·lar·ly, adverb
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for binocular Binocular vision overcomes any annoyance due to the blind-spots because they do not overlap in the visual field.
He saw the
binocular in Mrs. Damerel's hand, and at the same moment read detection on her countenance.
binocular, small but extremely efficient in its magnifying power he withdrew, dusting the lenses with the sleeve of his shirt.
Just as the horses reached the post, the Sharpshooter slipped in, breathless and fumbling at the catch of his
binocular case. British Dictionary definitions for binocular adjective involving, relating to, seeing with or intended for both eyes binocular vision Word Origin for binocular
bi- 1 + Latin oculus eye
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Word Origin and History for binocular adj.
1738, "involving both eyes," earlier "having two eyes" (1713), from French
binoculaire, from Latin bini "two by two, twofold, two apiece" (see binary) + ocularis "of the eye," from oculus "eye" (see eye (n.)). The double-tubed telescopic instrument (1871, short for binocular glass) earlier was called a binocle. Related: Binocularity.
Online Etymology Dictionary, © 2010 Douglas Harper
Medicine definitions for binocular 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.
Science definitions for binocular Adjective Relating to or involving both eyes at once, as in binocular vision. Noun 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.
The American Heritage® Science Dictionary
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