n. 公斤, 千克

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 weight, being a thousand grams, equal to
2.2046226 pounds avoirdupois (15,432.34 grains). It is equal
to the weight of a cubic decimeter of distilled water at the
temperature of maximum density, or 39[deg] Fahrenheit.