superconductivity       
noun [ U ] uk/ˌsuː.pə.kɒn.dʌkˈtɪv.ə.ti/ us/ˌsuː.pɚ.kɑːn.dʌkˈtɪv.ə.t̬i/
 science 超导性
the property of allowing an electrical current to flow through at a very low temperature
  materials with magnetic and superconductivity properties  具有磁性和超导性的材料 
 See: superconductor
 - More examples
 - Scientists are optimistic they can raise the temperature at which superconductivity occurs by tweaking the plastic's spaghetti-like structure.
 - In doing so, the group shattered the temperature record for superconductivity in an organic material.
 - Superconductivity means the complete absence of electrical resistance.
 - Superconductivity is a phenomenon of materials such that when you cool them, they will lose all of their resistance to electricity.