The phrase
"good insulator" means something that doesn't easily let heat, electricity, or sound pass through it.
Full definition
Synonyms for individual words can be found below.
«good»
«insulator»
Sentences with «good insulator»
- Another medium, a «perfect vacuum,» contains no charged particles; vacuums normally behave as very good insulators. (sciencedaily.com)
- Lycra and silk are better insulators next to the skin than cotton, in part because cotton will stay damp once it absorbs moisture. (babycenter.com)
- He concluded that the asphalt used on some Hungarian garage forecourts was an unusually good insulator. (newscientist.com)
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sentences)