释义 |
in·su·la·tor \-ˌlād.ə(r), -ātə-\ noun (-s) 1. : one that insulates; especially : a worker that applies electrical or thermal insulation 2. a. : a material or body that is a poor conductor of electricity, heat, or sound b. : a body of electrically nonconducting material for keeping charged conductors from contact with each other or from grounding and often also for supporting them |