binocular

adjective
bin·​oc·​u·​lar | \ bī-ˈnä-kyə-lər How to pronounce binocular (audio) , bə- \

Definition of binocular

 (Entry 1 of 2)

: of, relating to, using, or adapted to the use of both eyes

binocular

noun
bin·​oc·​u·​lar | \ bə-ˈnä-kyə-lər How to pronounce binocular (audio) , bī- \

Definition of binocular (Entry 2 of 2)

1 : a binocular optical instrument
2 : a handheld optical instrument composed of two telescopes and a focusing device and usually having prisms to increase magnifying ability usually used in plural

Keep scrolling for more

Other Words from binocular

Adjective

binocularity \ (ˌ)bī-​ˌnä-​kyə-​ˈler-​ə-​tē How to pronounce binocular (audio) , -​ˈla-​rə-​ , bə-​ \ noun
binocularly \ bī-​ˈnä-​kyə-​lər-​lē How to pronounce binocular (audio) , bə-​ \ adverb

Examples of binocular in a Sentence

Recent Examples on the Web: Adjective It can be seen on a clear night in the Southern Hemisphere without the use of a binocular or telescope, making it the first black hole to be seen without tools. Fox News, "Black hole, 1,000 light-years from Earth, discovered," 8 May 2020 Magnification is the first number in a binocular description, such as 8x42. The Editors, Field & Stream, "How to Choose the Right Binoculars for You," 8 Apr. 2020 Instead, Oculudentavis had eyes that bulged out to the sides and no binocular vision, the researchers found. Tom Metcalfe, NBC News, "The smallest dinosaur ever found was a weird, primitive bird, researchers say," 11 Mar. 2020 The binocular’s best attribute, though, is its tack-sharp image, even in low-light conditions. Andrew Mckean, Outdoor Life, "A Boat Hunt for Musk Ox and Caribou in Greenland," 21 Feb. 2020 Their eyes, meanwhile, have come to be situated in the narrow front of their face, affording them a more intensely focused, binocular vision — prying beaks and eyes coalescing to form the perfect foraging and nesting machine. New York Times, "Letter of Recommendation: Starlings," 11 Feb. 2020 Clutch bags and small purses — including camera and binocular cases — are permitted up to certain sizes. Brian Mccollum, Detroit Free Press, "Garth Brooks heads to Ford Field: 7 things to know," 19 Feb. 2020 Neural signature: Robertson’s team had shown in a 2013 study that autistic people perceive the images switching in a binocular rivalry task more slowly than neurotypical people do. Scientific American, "Visual Task May Offer Brain Marker for Autism," 19 Aug. 2019 With help from a team of binocular-holding observers and three infrared sensors attached to the roof of a government shed on the Granite Canyon bluff, the counts are becoming more accurate. Anchorage Daily News, "As gray whale migration reaches its peak, scientists fear another unexplained die-off," 25 Jan. 2020 Recent Examples on the Web: Noun The different types of prisms reflect the quality of binocular optics. Daisy Kelly, chicagotribune.com, "The best Celestron binoculars," 11 Apr. 2021 Some of the best glasses cleaner wipes on the market can be used for camera lenses, binocular lenses, and other sensitive optical surfaces, and the disposable format further ensures that users achieve the best results every time. Popsci Commerce Team, Popular Science, "Best glasses cleaners: Get spotless specs with our top picks," 8 Mar. 2021 Bike sales increased by 63 percent; paddle sports by 56 percent; golf sales by 51 percent; camping equipment by 31 percent; and binocular sales by 22 percent. Washington Post, "With travel options limited, some are swapping vacations for big-ticket toys," 4 Mar. 2021 Other marine-binocular features might include a range finder or even stabilization technology, which makes higher-power glass (say above 7x magnification) more functional in the confines of a rocking boat. The Editors, Outdoor Life, "Three Features You Need in a Marine Binocular," 21 Oct. 2019 Any elite-quality binocular makes the world look brighter and sharper. The Editors, Field & Stream, "Best of the Best: The Top Hunting and Fishing Gear of 2020," 20 Nov. 2020 Ennos argues that our forward-facing eyes with binocular vision, upright posture and differentiation between hind limbs for locomotion and forelimbs for gripping all evolved for living in canopies. Washington Post, "How wood shaped human history, from spears to boats to books," 31 Dec. 2020 Another said the field of view was closer to an 8-power binocular instead of the 10X Victory Zeiss submitted for our test. Alex Robinson, Outdoor Life, "Outdoor Life Editors’ Holiday Gift Guide," 20 Nov. 2020 Using your binocular or spotting scope, pivot until the mirage boils straight up and down. John B. Snow, Field & Stream, "How to Make an Accurate Rifle Shot in the Wind," 30 Nov. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'binocular.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of binocular

Adjective

1679, in the meaning defined above

Noun

1861, in the meaning defined at sense 1

Keep scrolling for more

Learn More about binocular

Time Traveler for binocular

Time Traveler

The first known use of binocular was in 1679

See more words from the same year

Statistics for binocular

Cite this Entry

“Binocular.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/binocular. Accessed 14 May. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

Keep scrolling for more

More Definitions for binocular

binocular

adjective

English Language Learners Definition of binocular

: involving or designed for both eyes

binocular

adjective
bin·​oc·​u·​lar | \ bī-ˈnä-kyə-lər How to pronounce binocular (audio) , bə- \

Kids Definition of binocular

: involving or designed for both eyes

binocular

adjective
bin·​oc·​u·​lar | \ bī-ˈnäk-yə-lər, bə- How to pronounce binocular (audio) \

Medical Definition of binocular

 (Entry 1 of 2)

: of, relating to, using, or adapted to the use of both eyes binocular vision a binocular microscope

Other Words from binocular

binocularly \ bī-​ˈnäk-​yə-​lər-​lē, bə-​ How to pronounce binocular (audio) \ adverb

binocular

noun
bin·​oc·​u·​lar | \ bə-ˈnäk-yə-lər, bī- How to pronounce binocular (audio) \

Medical Definition of binocular (Entry 2 of 2)

: a binocular optical instrument

More from Merriam-Webster on binocular

Nglish: Translation of binocular for Spanish Speakers

Britannica.com: Encyclopedia article about binocular

Comments on binocular

What made you want to look up binocular? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

Words Used by Nabokov Quiz

  • image1676440788
  • Choose the best definition or synonym for the word in bold: "There are some eructations that sound like cheers—at least, mine did." Lolita
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
 AlphaBear 2

Spell words. Make bears.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!