in·su·la·tor /ˈɪn(t)səˌletɚ/
  絕緣體,絕熱器
  in·su·la·tor /ˈɪn(t)səˌletɚ/ 名詞
  絕緣體,隔熱體,隔離物
  insulator
  絕緣體
  insulator
  *絕緣體
  In·su·la·tor n.
  1. One who, or that which, insulates.
  2. Elec. & Thermotics A substance or object that insulates; a nonconductor; as, polyurethane foam is a popular thermal insulator.
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  insulator
       n : a material such as glass or porcelain with negligible
           electrical or thermal conductivity [syn: dielectric, nonconductor]
           [ant: conductor]