speedometer

[ spee-dom-i-ter, spi- ]
/ spiˈdɒm ɪ tər, spɪ- /

noun

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

Origin of speedometer

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

Words nearby speedometer

British Dictionary definitions for speedometer

speedometer
/ (spɪˈdɒmɪtə) /

noun

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

Scientific definitions for speedometer

speedometer
[ spĭ-dŏmĭ-tər ]

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. Compare odometer.