black light(redirected from Blacklight lamp)
Also found in: Medical, Encyclopedia.
1. Invisible ultraviolet or infrared radiation. Black light causes fluorescent materials to emit visible light and is used to take pictures in the dark.
2. A lamp designed to produce such radiation: rented a black light for the Halloween party.
(General Physics) the invisible electromagnetic radiation in the ultraviolet and infrared regions of the spectrum
invisible infrared or ultraviolet light.