Assertion: metric system's base unit | /r/HasProperty | kilogram
Facets:
Source sentences:
text: This also applies to mass, for which the SI base unit (kilogram) already contains a prefix.
text: Why does the base unit for mass, the kilogram, have a numeric prefix?
text: It is an extension of Giorgi's MKSA system; its base units are the meter, kilogram, second, ampere, kelvin, candela and mole.