D defs.my
Entry 1 sense Webster, 1913

Kilogram

/kĭl'-əg-rămˌ/ · Kil·o·gram · IPA /ˈkɪləɡɹæm/
01 n. 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 …
  1. 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. See: gram