搜尋結果
decay
- IPA[dɪˈkeɪ]
英式
- (of organic matter) rot or decompose through the action of bacteria and fungi;cause to rot or decompose
- the state or process of rotting or decomposition;rotten matter or tissue
verb: decay, 3rd person present: decays, gerund or present participle: decaying, past tense: decayed, past participle: decayed
noun: decay, plural noun: decays
- 釋義
動詞
- 1. (of organic matter) rot or decompose through the action of bacteria and fungi the body had begun to decay 同義詞
- ▪ cause to rot or decompose the fungus will decay soft timber
- ▪ fall into disrepair; deteriorate facilities decay when money is not spent on refurbishment 同義詞 反義詞
- ▪ decline in quality, power, or vigour the moral authority of the party was decaying
- ▪ (of a radioactive substance, particle, etc.) undergo change to a different form by emitting radiation the trapped radiocarbon begins to decay at a known rate the W-particle then decays into an electron and a neutrino
- ▪ (of a physical quantity) undergo a gradual decrease the time taken for the current to decay to zero
名詞
- 1. the state or process of rotting or decomposition hardwood is more resistant to decay than softwood bacterial decay 同義詞
- ▪ rotten matter or tissue fluoride heals small spots of decay
- ▪ structural or physical deterioration the old barn rapidly fell into decay 同義詞 反義詞
- ▪ the process of declining in quality, power, or vigour the problems of urban decay
- ▪ the change of a radioactive substance, particle, etc. into another by the emission of radiation the gas radon is produced by the decay of uranium in rocks and soil he developed a detector for decays of carbon-14
- ▪ gradual decrease in the magnitude of a physical quantity the required time constant for current decay is 1 ms