binocular
binocular — adjective
- binocularpositive
- more binocularcomparative
- most binocularsuperlative
1. describing how two eyes work together to look at the same object, giving the bra
describing how two eyes work together to look at the same object, giving the brain two slightly different views that combine into a single picture with depth and distance.
Theo has excellent binocular vision, which helps him catch a ball during a game.
binocular vision — the most common collocation
Amani looked through a binocular microscope to examine the tiny cells on the slide.
binocular microscope — instrument with two eyepieces
Owls use binocular vision to judge how far away a mouse is before diving.
The eye doctor tested Omar's binocular coordination by asking him to follow a moving light.
- two-eyed
informal and rare; not used in technical or medical writing
- monocular
involving only one eye, as in a monocular microscope or monocular vision
用法筆記
Almost always used before a noun (attributive position). The most common phrase is binocular vision, which describes the ability of animals with forward-facing eyes to see depth.
常見錯誤
binocular — noun
1. a hand-held device made of two small telescopes joined side by side, used for ma
a hand-held device made of two small telescopes joined side by side, used for making distant objects appear larger and clearer when you look through it with both eyes.
Ravindra brought a powerful pair of binoculars to watch the birds on the lake.
plural form: binoculars — the standard everyday noun form
Feng adjusted the focus on his binoculars before scanning the mountain ridge for hikers.
The shop sells compact binoculars that fit easily into a small backpack.
Luca held the binoculars steady against a tree branch so the image would stop shaking.
- field glasses
an old-fashioned term for the same device; less common today
- opera glasses
a smaller, weaker version used at theatres and concerts
- monocular
a single-tube viewing device held to one eye
用法筆記
The singular form binocular is rare in everyday English. Almost all speakers use the plural form binoculars (e.g., I bought a new pair of binoculars). The singular appears mainly in technical, formal, or brand-product descriptions.