- Types:
- show 32 types...
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atomic clock
a timepiece that derives its time scale from the vibration of atoms or molecules
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clock
a timepiece that shows the time of day
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sandglass
timepiece in which the passage of time is indicated by the flow of sand from one transparent container to another through a narrow passage
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sundial
timepiece that indicates the daylight hours by the shadow that the gnomon casts on a calibrated dial
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timer
a timepiece that measures a time interval and signals its end
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ticker, watch
a small portable timepiece
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alarm, alarm clock
a clock that wakes a sleeper at some preset time
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ammonia clock
an atomic clock based on vibrational frequency of the nitrogen atom in the ammonia molecule
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analog clock
a clock that displays the time of day by the position of hands on a dial
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analog watch
a watch that represents time by the position of hands on a dial
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caesium clock
an atomic clock based on the energy difference between two states of the caesium nucleus in a magnetic field
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chronograph
an accurate timer for recording time
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chronometer
an accurate clock (especially used in navigation)
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cuckoo clock
clock that announces the hours with a sound like the call of the cuckoo
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digital clock
a clock that displays the time of day digitally
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digital watch
a watch with a digital display
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egg timer
a sandglass that runs for three minutes; used to time the boiling of eggs
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electric clock
a clock using a small electric motor
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hourglass
a sandglass that runs for sixty minutes
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hunter, hunting watch
a watch with a hinged metal lid to protect the crystal
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parking meter
a coin-operated timer located next to a parking space; depositing money into it entitles you to park your car there for a specified length of time
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pendulum clock
a clock regulated by a pendulum
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pendulum watch
(18th century) a watch with a balance wheel having a fake pendulum attached to it
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pocket watch
a watch that is carried in a small watch pocket
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stem-winder
a watch that is wound by turning a knob at the stem
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stop watch, stopwatch
a timepiece that can be started or stopped for exact timing (as of a race)
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system clock
a time-of-day clock in a computer system
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time clock
clock used to record the hours that people work
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turret clock
a clock with more than one dial to show the time in all directions from a tower
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wall clock
a clock mounted on a wall
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clepsydra, water clock, water glass
clock that measures time by the escape of water
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wrist watch, wristwatch
a watch that is worn strapped to the wrist
