单词 | unstable |
释义 | un·sta·ble ![]() adj. un·sta·bler, un·sta·blest 1. a. Tending strongly to change: unstable weather. b. Not constant; fluctuating: unstable vital signs. 2. a. Wavering or fickle: At first, he was unstable in his decisions. b. Showing or marked by erratic or volatile emotions or behavior. 3. Not firmly placed; unsteady: an unstable ladder. 4. Chemistry a. Decomposing readily. b. Highly or violently reactive. 5. Physics a. Decaying with relatively short lifetime. Used of subatomic particles. b. Radioactive. un·stable·ness n. un·stably adv. |
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