kilogram [kilograms](unit of mass equal to 1000 grams) noun [UK: ˈkɪ.lə.ɡræm] [US: ˈkɪ.lə.ˌɡræm]Children drink more water, eat more food and breathe more air per kilogram of body weight than adults. = Barn dricker mer vatten, äter mer mat och andas mer luft per kilogram kroppsvikt än vuxna.