dissipate
verb (formal)- [intransitive, transitive]
to gradually become or make something become weaker until it disappears （使）消散，消失；驱散 - [transitive] dissipate something
to waste something, such as time or money, especially by not planning the best way of using it 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。
Word Originlate Middle English: from Latin dissipat- ‘scattered’, from the verb dissipare, from dis- ‘apart, widely’ + supare ‘to throw’.