BINOCULAR

binocular

(adjective) relating to both eyes; “binocular vision”

Source: WordNet® 3.1

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Etymology

Adjective

binocular (not comparable)

Using two eyes or viewpoints; especially, using two eyes or viewpoints to ascertain distance.

Noun

binocular (plural binoculars)

attributive form of binoculars

A pair of binoculars.

(dated) Any binocular glass, such as an opera glass, telescope, or microscope.

Source: Wiktionary

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Bin*oc"u*lar, a. Etym: [Cf. F. binoculaire. See Binocle.]

1. Having two eyes. "Most animals are binocular." Derham.

2. Pertaining to both eyes; employing both eyes at once; as, binocular vision.

3. Adapted to the use of both eyes; as, a binocular microscope or telescope. Brewster.

Bin*oc"u*lar, n.

Definition: A binocular glass, whether opera glass, telescope, or microscope.

Source: Webster’s Unabridged Dictionary 1913 Edition

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