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kilogram Syllabification: kil·o·gram
Pronunciation: /ˈkiləˌɡram/
(British also kilogramme , abbreviation: kg)

Definition of kilogram in English:


The SI unit of mass, equivalent to the international standard kept at Sèvres near Paris (approximately 2.205 lb).
Example sentences
  • These systems would send tens or hundreds of kilograms instead of tons into orbit per launch.
  • Their opinion is no more valid than it would be if they declared pounds henceforth equivalent to kilograms.
  • By trading in imperial measures (pounds and ounces), he was apparently contravening legislation that came into being on 1 January which made the kilogramme the standard unit measurement of weight for loose goods in Britain.


Late 18th century: from French kilogramme (see kilo-, gram1).

Definition of kilogram in:
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