蛍光灯

(1)lamp consisting of a tube coated on the inside with a fluorescent material; mercury vapor in the tube emits ultraviolet radiation that is converted to visible radiation by the fluorescent material

(2)内側を蛍光物質で塗った管からなる光源

(3)管の中の水銀蒸気が紫外線を出し、蛍光物質によって可視光線に変換される