永えい久きゅう電でん流りゅう

noun

permanent current

Physics term for a current that flows indefinitely without an external power source, typically in superconductors.

• 超ちょう伝でん導どう体たいでは永えい久きゅう電でん流りゅうが流ながれ続つづける。

  In a superconductor, a permanent current continues to flow.