[ spee-dom-i-ter, spi- ]
/ spiˈdɒm ɪ tər, spɪ- /
an instrument on an automobile or other vehicle for indicating the rate of travel in miles or kilometers per hour.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for speedometer
/ (spɪˈdɒmɪtə) /
a device fitted to a vehicle to measure and display the speed of travelSee also mileometer
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Science definitions for speedometer
[ spĭ-dŏm′ĭ-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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.