in·su·la·tion /ˌɪnsjʊˈleɪʃən;ˈɪnsə-/ n. 1. 隔离;隔绝状态 an era of increasing insulation of elites from other people 精英们与他人日益隔绝的时代 I was surprised at his complete insulation in regard to current events. 他对时事完全闭塞,这使我感到诧异。 2. 【物】绝缘;隔热;隔音 refractory materials for insulation from sound, heat and cold 用于隔音、隔热、防冻的耐火材料 3. 绝缘(或隔热、隔音)材料 Asbestos is often used as an insulation against heat and fire. 石棉常被用作隔热防火的材料。