kilogram n 1: one thousand grams; the basic unit of mass adopted under the Systeme International d'Unites; "a kilogram is approximately 2.2 pounds" [syn: {kilogram}, {kg}, {kilo}]
Kilogram \Kil"o*gram\, Kilogramme \Kil"o*gramme\, n. [F. kilogramme; pref. kilo- (fr. Gr. chi`lioi a thousand ) + gramme. See 3d {Gram}.] A measure of mass and weight, being a thousand grams, equal to 2.2046226 pounds avoirdupois (15,432.34 grains). It is nearly equal to the mass of a cubic decimeter of distilled water at the temperature of maximum density, or 39[deg] Fahrenheit. See 3rd {gram}. [Webster 1913 Suppl.] Kilogrammeter