Kilogram /(?)/

Kil·o·gram

Kilogram

n.
  1. 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° Fahrenheit. See 3rd gram.