AskDefine | Define speedometer

Dictionary Definition

speedometer n : a meter fixed to a vehicle that measures and displays its speed [syn: speed indicator]

User Contributed Dictionary



speed with -metron (cf. thermometer).


  • spɪˈdamɘɾɹˌ


  1. A device that measures, and indicates the current speed of a vehicle
  2. Such a device incorporating an odometer


a device that measures, and indicates the current speed of a vehicle
  • Croatian: brzinomjer
  • Finnish: nopeusmittari
  • French: compteur de vitesse
  • German: Geschwindigkeitsmesser
  • Japanese: 速度計
such a device incorporating an odometer
  • Finnish: nopeusmittari

See also

Extensive Definition

GPS devices may indicate the true speed of travel on the user interface. Unlike instrumental speedometers which provide a continuous reading, most GPS speed readouts have a one-second update interval.
The reading is based on reception of data from the satellites in orbit, and is therefore independent of the car's transmission components. Discrepancies between the two readings may be caused by instrument error (on the vehicle), or by changing directly influential factors, such as tire sizes.
speedometer in Danish: Speedometer
speedometer in German: Tachometer
speedometer in Spanish: Velocímetro
speedometer in French: Indicateur de vitesse
speedometer in Italian: Tachimetro
speedometer in Lithuanian: Spidometras
speedometer in Japanese: 速度計
speedometer in Norwegian: Speedometer
speedometer in Polish: Prędkościomierz (motoryzacja)
speedometer in Portuguese: Velocímetro
speedometer in Russian: Спидометр
speedometer in Finnish: Nopeusmittari
speedometer in Swedish: Hastighetsmätare
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