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Binocular (adjective)
Using two eyes or viewpoints; especially, using two eyes or viewpoints to ascertain distance.
“a binocular microscope or telescope”
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Binocular (noun)
A pair of binoculars.
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Binocular (noun)
Any binocular glass, such as an opera glass, telescope, or microscope.
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Biocular (adjective)
In which the optical components are shared by both of the viewer’s eyes.
Wiktionary