insulator
/ˈɪn.s(j)ə.leɪ.tə(ɹ)/
ꞮN · s(j)ə · leɪ · tə(ɹ) (4 syllables)
English
Noun
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Definition
A substance that does not transmit heat (thermal insulator), sound (acoustic insulator) or electricity (electrical insulator).
Etymology
From insulate + -or.
Example Sentences
- "To isolate electrical wires from the pylons supporting them, one often uses glass insulators."
- "Alan Vasen worked as an insulator at this site from September 1968 through mid-April 1969. Mr. Vasen installed thousands of lineal feet of asbestos pipe covering and thousands of square feet of asbestos block insulation throughout the operating units of the Benicia refinery."
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