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kilometer Syllabification: kil·o·me·ter
Pronunciation: /kəˈlämədər/
(British kilometre, abbreviation: km)

Definition of kilometer in English:


A metric unit of measurement equal to 1,000 meters (approximately 0.62 miles).
Example sentences
  • A meter is about three feet and three inches and a kilometer equals about six tenths of a mile.
  • As with metres and kilometres, we need some new units, or we'd need a lot of zeroes!
  • Next we will be having our speedometers changed from miles per hour to kilometres per hour.


Late 18th century: from French kilomètre (see kilo-, meter1).



Pronunciation: /ˌkiləˈmetrik/
Example sentences
  • The HST images were obtained during a campaign by the Cassini spacecraft to measure the solar wind approaching Saturn and the Saturn kilometric emissions.
  • Normal displacements are pervasive from the millimetric to the kilometric scales.

Definition of kilometer in:

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