mass defect

• n. [物]质量亏损

英英释义

Noun:

1. the amount by which the mass of an atomic nucleus is less than the sum of the masses of its constituent particles

例句

用作名词 (n.)

1. The energy required to separate particles from a molecule or atom or nucleus,equals the mass defect.
   为从一个分子或原子或核子中分离颗粒所必须的能量，等同于质量亏损。

近反义词

【近义词】

• mass deficiency 质量不足