kilogram (unit of mass) symbol: kg The kilogram is the unit of mass equal to the mass of the international prototype kilogram kept at S&egrave;vres, France.
(The kilogram; is; the unit of mass equal to the mass of the international prototype kilogram) (the international prototype kilogram; kept; L:at S&egrave)
The kilogram the international prototype kilogram
is kept
the unit of mass equal to the mass of the international prototype kilogram
L:at S&egrave