黑光灯 Traditional form: 黑光燈 Pinyin (reading): hēiguāngdēng Definitions: a blacklight; an ultraviolet light Characters: 黑 - black; dark; evil, sinister 光 - light; bright, brilliant; only, merely 灯 - lamp, lantern, light Traditional characters: 黑 - black; dark; evil, sinister 光 - light; bright, brilliant; only, merely 燈 - lamp, lantern, light