black light

Etymology
, since ultraviolet light is invisible to the human eye.

Noun

 * 1)  A light bulb that emits ultraviolet light, usually used to create the illusion that anything white is glowing.
 * 2)  ultraviolet radiation/light

Translations

 * Chinese:
 * Mandarin: 黑光燈, 不可見光燈,
 * Finnish: mustavalolamppu, UV-lamppu
 * French:
 * German:
 * Norwegian: black light
 * Romanian: bec negru, dark light
 * Russian: ла́мпа чёрного света
 * Spanish: