Definition: Kilometer

Etymology

From kilometre, from French kilomètre; synchronically analyzable as kilo- from French, kilo- irregularly derived from Ancient Greek χίλιοι (khílioi, “one thousand”). +‎ meter

Noun

kilometer (plural kilometers)

1. US spelling of kilometre
2. (metrology) An SI/MKS unit of measure equal to one thousand meters. Symbol: km

Derived terms

• square kilometer

Credits

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