noun Download 🔗Share In the International System of Units, the base unit of mass; conceived of as the mass of one litre of water, but now defined by taking the fixed numerical value of the Planck constant h to be 6.626 070 15 × 10-34 when expressed in units of kg⋅m2⋅s−1. Symbol: kg Examples : "The bag of potatoes weighs five kilograms. " mass physics science unit amount Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share The unit of weight such that a one-kilogram mass is also a one-kilogram weight. Examples : "The recipe calls for two kilograms of flour to bake the cake. " mass unit science Chat with AIVocabulary GamePractice Reading