speedometer

noun

speed·​om·​e·​ter spi-ˈdä-mə-tər 

1

: an instrument for indicating speed : tachometer

2

: an instrument for indicating distance traversed as well as speed of travel

also : odometer

Examples of speedometer in a Sentence

Recent Examples on the Web

Ever since the automotive speedometer debuted early last century, motorists have been driven to see higher numbers on the gauge. —Viju Mathew, Robb Report, 13 Apr. 2025

Those other fitness gadgets the Amazfit Bip 6 can connect to include bike power meters, cadence and speedometers, plus heart rate readers and thermometers. —Andrew Williams, Forbes.com, 31 Mar. 2025

Up front, there’s a 7-inch LED screen speedometer that is pretty straightforward, a 21-W LED projector headlight, and turn indicators, both at the front and back. —New Atlas, 1 Mar. 2025

The trooper reportedly clocked the vehicle’s speed by speedometer at over 130 mph, state police said. —Staff Report, Hartford Courant, 27 Jan. 2025

Word History

Etymology

speed entry 1 + -o- + -meter

First Known Use

1903, in the meaning defined at sense 1

Rhymes for speedometer

• barometer
• bolometer
• chronometer
• geometer
• hydrometer
• hygrometer
• kilometer
• micrometer
• odometer
• photometer
• psychrometer
• pycnometer

Kids Definition

speedometer

noun

speed·​om·​e·​ter spi-ˈdäm-ət-ər 

1

: an instrument that measures speed

2

: an instrument that both measures speed and records distance traveled