binocular

[ buh-nok-yuh-ler, bahy- ]
/ bəˈnɒk yə lər, baɪ- /

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.

QUIZZES

IS YOUR DESERT PLANT KNOWLEDGE SUCCULENT OR DRIED UP?

Cactus aficionados, don't get left in the dust with this quiz on desert plants. Find out if you have the knowledge to survive this prickly foray into the desert!
Question 1 of 7
This tall, horizontally branched cactus is probably the most recognizable cactus in Arizona. What is it called?

Origin of binocular

First recorded in 1705–15; bin- + ocular

OTHER WORDS FROM binocular

bin·oc·u·lar·i·ty, nounbin·oc·u·lar·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for binocular

British Dictionary definitions for binocular

binocular
/ (bɪˈnɒkjʊlə, baɪ-) /

adjective

involving, relating to, seeing with or intended for both eyesbinocular vision

Word Origin for binocular

C18: from bi- 1 + Latin oculus 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

Medical definitions for binocular

binocular
[ bə-nŏkyə-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.

Scientific definitions for binocular

binocular
[ bə-nŏkyə-lər ]

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 Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.