bin·oc·u·lar
bə-ˈnä-kyə-lər 
bī-
bī-
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
Examples of binocular in a Sentence
Recent Examples on the Web
Chris McMullen, Space.com, 19 Mar. 2025
Mars will appear plumb against its sparkling stars tonight — though the couple of nights either side will also give a great binocular view.
—Jamie Carter, Forbes, 6 Mar. 2025
Daisy Dobrijevic, Space.com, 29 Mar. 2025
Don’t look at the sun through any unfiltered optical device — camera lens, telescope, binoculars — while wearing eclipse glasses or using a handheld solar viewer, according to NASA.
—Ashley Strickland, CNN Money, 28 Mar. 2025
See All Example Sentences for binocular
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Adjective
Stay safe: How to check and use solar glasses
More top deals: Celestron telescope & binocular deals
Best solar viewing deals 2025
Today's best solar viewing deals
Buying advice: Saving and staying safe.
—Chris McMullen, Space.com, 19 Mar. 2025
Mars will appear plumb against its sparkling stars tonight — though the couple of nights either side will also give a great binocular view.
—Jamie Carter, Forbes, 6 Mar. 2025
Noun
Unlike a total solar eclipse, the sun was never completely blocked, so observers needed solar viewing equipment such as solar eclipse glasses or special solar filters on their cameras, telescopes and binoculars to enjoy the sun safely.
—Daisy Dobrijevic, Space.com, 29 Mar. 2025
Don’t look at the sun through any unfiltered optical device — camera lens, telescope, binoculars — while wearing eclipse glasses or using a handheld solar viewer, according to NASA.
—Ashley Strickland, CNN Money, 28 Mar. 2025
See All Example Sentences for binocular
Cite this Entry
“Binocular.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/binocular. Accessed 11 Apr. 2025.
Copy CitationKids Definition
binocular
1 of 2 adjective
bin·oc·u·lar
bī-ˈnäk-yə-lər
bə-
: of, relating to, using, or adapted to the use of both eyes
binocular vision
binocular
2 of 2 noun
bin·oc·u·lar
bə-ˈnäk-yə-lər
bī-
1
: a binocular optical instrument
2
: a handheld instrument for seeing at a distance that consists of two telescopes, a focusing device, and usually prisms
—usually used in plural
a pair of binoculars
Medical Definition
binocular
1 of 2 adjective
bin·oc·u·lar
bī-ˈnäk-yə-lər, bə-
: of, relating to, using, or adapted to the use of both eyes
binocular vision
a binocular microscope
binocular
2 of 2 noun
bin·oc·u·lar
bə-ˈnäk-yə-lər, bī-
: a binocular optical instrument
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