kilogram | has symbol kg | ![2001-09-27 09:32:49.0 2001-09-27 09:32:49.0](facet.gif) |
has historical origin at the end of the 18th century, a kilogram was the mass of a cubic decimeter of water | ![2001-09-27 09:32:49.0 2001-09-27 09:32:49.0](facet.gif) |
has definition Unit of mass (not of weight or of force). Kilogram is equal to the mass of 1.000028 cubic decimeters of water at the temperature of its maximum density. | ![has source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press, 2001-09-27 09:32:49.0 has source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press, 2001-09-27 09:32:49.0](facet.gif) |
has definition Unit of mass equal to the international prototype of the kilogram | ![2001-09-27 09:32:49.0 2001-09-27 09:32:49.0](facet.gif) |
is an instance of mass unit | ![2001-09-27 09:32:49.0 2001-09-27 09:32:49.0](facet.gif) |
is an instance of base SI unit | ![2001-09-27 09:32:49.0 2001-09-27 09:32:49.0](facet.gif) |
mass unit | is a unit of mass | ![2001-09-27 09:32:48.0 2001-09-27 09:32:48.0](facet.gif) |
unit | represents | ![2001-09-27 09:32:42.0 2001-09-27 09:32:42.0](facet.gif) |
SI unit | is an acronym for Syteme Internationale | ![2001-09-27 09:32:55.0 2001-09-27 09:32:55.0](facet.gif) |