The definition of a kilogram is a unit of measure in the Systeme International d'Unites that is equal to 1000 grams which is approximately 2.2 pounds.(noun)
Having 2.2 pounds of gold is an example of a kilogram of gold.
See kilogram in Webster's New World College Dictionary
Origin: Fr kilogramme: see kilo- & gram
See kilogram in American Heritage Dictionary 4
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