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

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 middle of these is the speedometer, which uses a physical needle rather than one made of pixels. — Jonathan M. Gitlin, ArsTechnica, 26 May 2026

The car died on my last day of college, a half-decade after its speedometer broke at 124,000 miles. — Laura Moser, Travel + Leisure, 11 May 2026

Word History

Etymology

speed entry 1 + -o- + -meter

First Known Use

1903, in the meaning defined at sense 1

Rhymes for speedometer

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

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