definition of nonelectrolyte
nonÂ·eÂ·lecÂ·troÂ·lyte. A substance with molecules that do not, in solution, dissociate to ions and, therefore, do not carry an electric current. /nonÂ·elecÂ·troÂ·lyte/ (-e-lekÂ´tro-lÄ«t) a substance that does not dissociate into ions; in solution it is a nonconductor of electricity.