insulator /ˈɪnsəˌleɪtɚ ˈɪnsjʊˌleɪtə/ noun plural insulators
/ˈɪnsəˌleɪtɚ ˈɪnsjʊˌleɪtə/
noun
plural insulators
Learner's definition of INSULATOR
[count]
: a material that allows little or no heat, electricity, or sound to go into or out of something隔热(或绝缘、隔音)材料