Not conductive (of heat, sound, electricity etc.)(adjective)
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Use "nonconductive" in a sentence
"EEStor is instead creating better nonconductive material for use between the metal sheets, using a chemical compound called barium titanate."
"His hope that his foe's embedded sword would carry an electrical charge through the armor was not realized-either the Hirogen missed a power junction or the metal was nonconductive."
"The fix they found is to use duct tape or other nonconductive material to cover the spot on the lower left of the phone which causes ..."