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Speedometer Meaning: Definition, Examples, and Translations

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speedometer

[spiːˈdɒmɪtə ]

Definition

Context #1 | Noun

automotive instrument

A speedometer is an instrument that measures and displays the speed of a vehicle. It often indicates the speed in miles per hour (mph) or kilometers per hour (km/h). This instrument is essential for drivers to monitor their speed to comply with traffic regulations. Speedometers can be analog with a dial or digital in the form of an electronic readout.

Synonyms

speed gauge, velocity meter.

Examples of usage

  • The speedometer showed I was driving too fast.
  • He glanced at the speedometer to check his speed.
  • The car's speedometer was broken, causing concern.
  • She always keeps an eye on the speedometer when driving.

Translations

To see the translation, please select a language from the options available.

Interesting Facts

Technology

  • Early versions were mechanical, using gears and cables to show speed, while modern versions often rely on electronic sensors.
  • GPS speedometers are now common, providing speed information using satellite signals instead of traditional methods.

History

  • The first recorded speedometer was created by the inventor Sir George Everest for use on railcars in 1825.
  • By the early 20th century, speedometers became standard in automobiles, enhancing driver awareness and safety.

Art and Culture

  • In films, fast-paced car chases often highlight the speedometer's changing readings to create tension and excitement.
  • Speedometers symbolize freedom and adventure in cultural narratives, often representing the thrill of road trips.

Science

  • Understanding speed is crucial in physics, as it relates to distance traveled over time, demonstrated by the speedometer's function.
  • Accurate speed measurement is vital for safety regulations, influencing laws about speed limits on roads.

Origin of 'speedometer'

Main points about word origin

  • The word originates from the Latin 'speed' which means quickness, and the Greek 'metron' meaning measure.
  • Introduced in the 19th century, the term was first used in reference to measuring speed in vehicles.

The word 'speedometer' is a compound of 'speed' and the Greek-derived suffix '-meter', which means 'to measure'. 'Speed' originates from the Old English word 'spēd', meaning 'success, prosperity, haste', while '-meter' comes from the Greek word 'metron', meaning 'measure'. The term started being used in the early 19th century as automotive technology advanced, specifically with the advent of steam-powered vehicles. Speedometers became crucial as they enabled drivers to maintain lawful speeds on the road, contributing to road safety measures. As vehicles evolved through the years, so did speedometer technology, becoming more accurate and incorporating various features like trip meters and average speed calculations.

Word Frequency Rank

At rank #27,480, this word represents specialized academic or technical vocabulary. It's less frequently encountered but may be valuable in specific contexts.