a. Not conducting; nonconductive; not transmitting a fluid or force; -- used especially of electric current;
n. The quality of not being able to conduct or transmit; failure to conduct. [ 1913 Webster ]
n. (Physics) A substance which does not conduct, that is, convey or transmit, heat, electricity, sound, vibration, or the like, or which transmits them with difficulty; an insulator;
a. Not conducting; nonconductive; not transmitting a fluid or force; -- used especially of electric current;
n. The quality of not being able to conduct or transmit; failure to conduct. [ 1913 Webster ]
n. (Physics) A substance which does not conduct, that is, convey or transmit, heat, electricity, sound, vibration, or the like, or which transmits them with difficulty; an insulator;