好词典

dissipated

UK //ˈdɪs.ɪ.peɪ.tɪd//US //ˈdɪs.ə.peɪ.t̬ɪd//

词源

源自拉丁语 dissipatus(分散),由 dis-(分开) + supare(扔)构成,16世纪进入英语,最初表示物理消散,后衍生道德含义。

adjective

❶ 形容人因过度放纵享乐而变得颓废或道德败坏,通常指沉迷于酒精、赌博等不良嗜好导致精力或财产浪费。

“He led a dissipated life in his youth, spending all his money on parties.”

(他年轻时过着放荡的生活,把钱都花在派对上。)

“The novel portrays a dissipated aristocrat who loses his fortune.”

(小说描写了一个因挥霍无度而破产的贵族。)

❶ 指能量、热量等物理量逐渐消散或减弱的过程,属于科技用语。

“The dissipated heat from the engine warms the garage.”

(发动机散发的热量使车库变得温暖。)

“Energy is dissipated as sound during the collision.”

(碰撞过程中能量以声音形式消散。)

同义词:wasted, debauched, profligate, dissolute, squandered

常见短语

dissipated energy — 物理学术语,指通过摩擦、阻力等方式转化为不可用形式(如热能)的能量。

“About 30% of the input power becomes dissipated energy in this system.”

(这个系统中约30%的输入功率会转化为耗散能量。)