speedometer
/spi'dɔmitə/
Definition
- Noun:
- A device for measuring and displaying speed: A speedometer is an instrument, typically mounted on a vehicle's dashboard, that measures and indicates the vehicle's instantaneous speed of travel.
Usage
- The speedometer is a standard instrument in motor vehicles.
- It provides a real-time reading of how fast the vehicle is moving.
- The primary function is to inform the driver, aiding in safe and legal operation of the vehicle.
Examples
- Noun:
- I glanced at the speedometer to check I wasn't exceeding the limit.
- The needle on the old car's speedometer was stuck at zero.
- Modern digital speedometers are easier to read in some lighting conditions.
Advanced Usage
- "To peg the speedometer" (idiomatic): To drive at the maximum speed the vehicle's speedometer can display.
- In his youth, he was reckless enough to try and peg the speedometer on that straight road.
Variants and Related Words
- Odometer (n): An instrument for measuring the distance traveled by a vehicle. Often paired with the speedometer in a single instrument cluster.
- Tachometer (n): An instrument measuring the rotation speed of an engine's crankshaft (in revolutions per minute), often found alongside the speedometer.
Synonyms
- Speed indicator: A more formal or technical term for a speedometer.
Related Phrases
- Speedometer cable: The mechanical cable that transmits rotation from the vehicle's transmission to the speedometer (in older vehicles).
- Speedometer reading: The specific speed value shown by the instrument at a given moment.
- The officer noted the speedometer reading from the patrol car's video.
Noun
-
a meter fixed to a vehicle that measures and displays its speed
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