Physics the phenomenon, exhibited by various metals, alloys, and compounds, of conducting electrical current without resistance when cooled to low temperatures
sometimes called su·per·con·duc′tion
The property of certain materials, including certain metals, alloys, and ceramics, to superconduct at temperatures ranging from a fraction of a kelvin to about one hundred kelvin.
(countable and uncountable, plural superconductivities)
From super- +"Ž conductivity