noun
1. : light emitted by any body whose temperature is below that of incandescence — compare luminescence
2. : visible light from whatever source unaccompanied by appreciable amounts of infrared and having therefore little heating effect
noun
1. : light emitted by any body whose temperature is below that of incandescence — compare luminescence
2. : visible light from whatever source unaccompanied by appreciable amounts of infrared and having therefore little heating effect
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012