noun🔗ShareA substance that does not transmit heat (thermal insulator), sound (acoustic insulator) or electricity (electrical insulator)."The rubber handle on the electrical wire acts as an insulator, protecting you from electric shock. "materialsubstancephysicssciencetechnologyelectricChat with AIVocabulary GamePractice Reading
noun🔗ShareA non-conductive structure, coating or device that does not transmit sound, heat or electricity (see image)"To isolate electrical wires from the pylons supporting them, one often uses glass insulators."materialtechnologyphysicssciencedeviceelectricbuildingChat with AIVocabulary GamePractice Reading
noun🔗ShareA person who installs insulation."The insulator carefully placed fiberglass between the wall studs to help keep the house warm. "personjobbuildingindustrytechnicalworkChat with AIVocabulary GamePractice Reading
