speedometer

noun

speed·​om·​e·​ter spi-ˈdä-mə-tər How to pronounce speedometer (audio)
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
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If that happens, the screen may temporarily go blank, preventing drivers from seeing critical information such as the speedometer, fuel gauge and warning notifications. Anthony Thompson, USA Today, 26 June 2026 Class 3 e-bikes must also have a speedometer. Brian Sherrod, CBS News, 23 June 2026 Class three riders must be 15 and the bike must have a speedometer. Mary Ella Hastings june 8, Fort Worth Star-Telegram, 8 June 2026 The digital speedometer in the frame shows the vehicle driving as high as 111 mph at one point. Andrew Blankstein, NBC news, 3 June 2026 See All Example Sentences for speedometer

Word History

Etymology

speed entry 1 + -o- + -meter

First Known Use

1903, in the meaning defined at sense 1

Time Traveler
The first known use of speedometer was in 1903

Browse Nearby Words

Cite this Entry

“Speedometer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/speedometer. Accessed 28 Jun. 2026.

Kids Definition

speedometer

noun
speed·​om·​e·​ter spi-ˈdäm-ət-ər How to pronounce speedometer (audio)
1
: an instrument that measures speed
2
: an instrument that both measures speed and records distance traveled

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