bino

Two-eyed viewing device

Bino is informal shorthand for binoculars, typically used in military, hunting, or birdwatching contexts: Hand me the binos.

The plural binos is more common than the singular, since binoculars come as a pair.

Also appears in compound slang like bino strap.

optics

lenses

Curved transparent refractors

eyepieceLens you look through
objectivePurpose or goal
prismLight-splitting optical element

diopter · focus · magnification · zoom · adjustment · coatings · aperture · compact · full-size · waterproof

outdoor

safari

Wildlife observation journey

huntingPursuing wild game
hikingRecreational trail walking
campingOutdoor recreational lodging

wildlife · marine · boating · stargazing · astronomy · sightseeing · stadium · sports · concert · travel

surveillance

reconnaissance

Information-gathering before action

stakeoutProlonged covert observation
observationAttentive watching or remark
scoutingObserving to gather information

spying · monitoring · spotting · tracking · lookout · watchfulness · covert · military · tactical · rangefinding

birdwatching

birding

Watching wild fowl

ornithologyScientific study of birds
twitchingInvoluntary muscular contractions
speciesFinest taxonomic rank

migration · songbirds · raptors · waterfowl · nesting · flock · habitat · feathers · birdfeeder · birdsong

Opposites

optical device type

Single-eye magnifying optic

telescope · scope · naked eye · spyglass

viewing distance

Instrument for viewing minute objects

magnifying glass · loupe

Phrases

binary thinking
binary codeTwo-symbol numeral system
pair of binocularsHandheld magnification device
binary systemNumeration with two values
binary numbersDigits in base two
binary choiceSelection between two alternatives

Family

binary, binoculars, binocular, binaural

Familiarity: Top 1,000,000
Profile: Used worldwide · Timeless · Concrete · Everyday, not technical · Rated G