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Kilogram

Kilogram

WordNet



noun


(1)   One thousand grams; the basic unit of mass adopted under the Systeme International d'Unites
"A kilogram is approximately 2.2 pounds"
Wiktonary



Noun



  1. In the International System of Units, the base unit of mass; the mass of a specific cylinder of platinum-iridium alloy kept at the International Bureau of Weights and Measures in France. Symbol: kg
  2. Hence, the unit of weight such that one-kilogram mass is also a one-kilogram weight.

Usage notes

The use of the kilogram as a unit of weight is somewhat imprecise, as weight can change while mass remains constant. The weight of a one-kilogram mass will depend on its location, which will impact the pull of gravity. It is therefore frequently proscribed, but is nonetheless in wide use (e.g., a person's weight in kilograms). (The same imprecision and proscription also occur with many other words pertaining to weight and mass, such as the verb .)