Definition of insulator

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  • insulator is a valid Scrabble US word with a point value of 9
  • insulator is a valid Scrabble UK word with a point value of 9
  • insulator is a valid Words with friends word with a point value of 12

Definition of insulator

  • a material such as glass or porcelain with negligible electrical or thermal conductivity (noun)

    Synonyms

    1. dielectric
    2. nonconductor

See definition of insulator in Merriam Webster