dissipate
verb /ˈdɪsɪpeɪt/
  /ˈdɪsɪpeɪt/
(formal)动词形式
| present simple I / you / we / they dissipate |    /ˈdɪsɪpeɪt/   /ˈdɪsɪpeɪt/  | 
| he / she / it dissipates |    /ˈdɪsɪpeɪts/   /ˈdɪsɪpeɪts/  | 
| past simple dissipated |    /ˈdɪsɪpeɪtɪd/   /ˈdɪsɪpeɪtɪd/  | 
| past participle dissipated |    /ˈdɪsɪpeɪtɪd/   /ˈdɪsɪpeɪtɪd/  | 
| -ing form dissipating |    /ˈdɪsɪpeɪtɪŋ/   /ˈdɪsɪpeɪtɪŋ/  | 
- [intransitive, transitive] to gradually become or make something become weaker until it disappears
(使)消散,消失;驱散 - Eventually, his anger dissipated.
他的愤怒终于平息了。  -  dissipate something Her laughter soon dissipated the tension in the air.
她的笑声很快消除了紧张气氛。  
 - Eventually, his anger dissipated.
 - [transitive] dissipate something to waste something, such as time or money, especially by not planning the best way of using it
 synonym squander挥霍,浪费,消磨(时间、金钱等) - She was determined to achieve results and not to dissipate her energies.
她决心取得成果,而不是浪费精力。  
 - She was determined to achieve results and not to dissipate her energies.
 
词源late Middle English: from Latin dissipat- ‘scattered’, from the verb dissipare, from dis- ‘apart, widely’ + supare ‘to throw’.