Noun
lightshow (plural lightshows)
Alternative spelling of light show
The Sydney Opera House sails formed a graphic projection-screen in a lightshow mounted in connection with the International Fleet Review in Sydney Harbour on 5 October 2013. Source: Internet
Using oil and dye in an emulsion that was set between large convex lenses upon overhead projectors, the lightshow artists created bubbling liquid visuals that pulsed in rhythm to the music. Source: Internet