安あん定てい器き

noun

stabilizer; electrical ballast

Technical term for a device that stabilizes electrical current, especially the ballast used in fluorescent lights.

• 蛍けい光こう灯とうの安あん定てい器きが故こ障しょうしたので交こう換かんが必ひつ要ようだ。

  The fluorescent light ballast broke, so it needs to be replaced.