atomic weight (also relative atomic mass) ratio between the mass of one atom of an element and one-twelfth of the weight of an atom of carbon 12 原子量(某元素的一个原子的质量与十二分之一的碳 12 原子量的比值). atomize, atomise / 5AtEmaIz; `AtEm9aIz/ v [Tn] reduce (sth) to atom...