speedometer

[ spee-dom-i-ter, spi- ]

noun

1. an instrument on an automobile or other vehicle for indicating the rate of travel in miles or kilometers per hour.

speedometer

/ spɪˈdɒmɪtə /

noun

1. a device fitted to a vehicle to measure and display the speed of travel See also mileometer

speedometer

/ spĭ-dŏm′ĭ-tər /

1. An instrument for indicating the speed of a vehicle, typically by measuring the rate of rotation of a wheel or fan whose rate of rotation depends on the speed of the vehicle.
2. Compare odometer

Word History and Origins

Origin of speedometer¹

First recorded in 1900–05; speed + -o- + -meter

Example Sentences

The clock measures how fast a person's body is deteriorating as they grow older, "like a speedometer for the biological processes of aging," explained Belsky.

From Science Daily

She added: "It takes your mind off paying attention to other drivers and taking your eyes off the road as you're looking at the speedometer."

From BBC

Non-e-bikes often do not have speedometers and can be pedaled much faster than 20 mph.

From Seattle Times

“Once you get in the habit of driving, you can judge your speed pretty well. If you’re going about 40 miles per hour, you don’t have to look at the speedometer to know it.”

From Washington Post

At another point, he reportedly admitted being alongside the vehicle, which had a speedometer reading of 83 mph on impact — double the speed limit — after it left the roadway.

From Washington Post