Definition of kilometer in English:


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


  • A metric unit of measurement equal to 1,000 meters (approximately 0.62 miles).
    More 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.



Pronunciation: /ˌkiləˈmetrik/
More 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.


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

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