柯林斯詞典binding energy 1. N the energy that must be supplied to a stable nucleus before it can undergo fission. It is equal to the mass defect 結(jié)郃能[physics] 返回 binding energy劍橋詞典the amount of energy necessary to break up a nucleus (= the central part of an atom ) into its separate parts 結(jié)郃能 返回 binding energy