dissipate
/ˈdɪsɪpeɪt/verb
1
- no obj.(of a feeling or similar thing) disappear or be dispelled（感情等）消失; 被驱散：
the concern she'd felt for him had wholly dissipated.
她对他的担心彻底消失了。
1.1
- with obj. cause (a feeling or similar thing) to disappear or disperse使（感情等）消失（或消散）：
he wanted to dissipate his anger.
他希望消消火。
1.2
- (of something such as a cloud or queue) disperse or scatter（云或队伍等）消散, 散去。
2
- with obj. squander or fritter away (money, energy, or resources)浪费; 挥霍; 消耗（金钱, 能源, 资源）。
2.1
- （一般作be dissipated）Physics cause (energy) to be lost, typically by converting it to heat【物理】使耗散, 使散逸。
派生词
dissipative
adjectivedissipator
（亦作dissipater）noun词源
late Middle English: from Latin dissipat- 'scattered'， from the verb dissipare, from dis- 'apart， widely'+supare 'to throw'.