Of, relating to, or being a relatively unstable and transient but significant state of a chemical or physical system, as of a supersaturated solution or an excited atom.

• 亚稳的，准稳的属于、关于或作为一个化学或物理体系的一个相对不稳定、短暂但重要的状态的，如一过饱和溶剂的或一活跃原子的