单词 | unstable |
释义 | Word Frequency unstable(ʌnˈsteɪbəl) adjective 1. lacking stability, fixity, or firmness 2. disposed to temperamental, emotional, or psychological variability 3. (of a chemical compound) readily decomposing 4. physics a. (of an elementary particle) having a very short lifetime b. spontaneously decomposing by nuclear decay; radioactive an unstable nuclide 5. electronics (of an electrical circuit, mechanical body, etc) having a tendency to self-oscillation Derived forms unstableness (unˈstableness) noun unstably (unˈstably) adverb |
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