Noun
active camouflage (uncountable)
Camouflage that adapts, often rapidly, to the surroundings of an object such as an animal or military vehicle.
Active camouflage (or adaptive camouflage) is a group of camouflage technologies which would allow an object (usually military in nature) to blend into its surroundings by use of panels or coatings capable of changing color or luminosity. Source: Internet
When light is diffused, a thin coat of metamaterial around an object can make it essentially invisible under a range of lighting conditions. citation citation Active camouflage main A cloak using optical camouflage by Susumu Tachi. Source: Internet