Arc lamps, also known as carbon arc lamps, are a type of electric light source that creates light through an electric arc between two carbon electrodes. There are several synonyms for arc lamps, including carbon arc lights, arc lights, and carbon lamps. Another synonym for arc lamps is Xenon arc lamps, which use a xenon gas to create the arc, rather than carbon. These lamps are often used in industrial settings for their high intensity and long life, and are also used in special effects lighting for movies and other productions. Overall, arc lamps provide a powerful and reliable source of light for a variety of applications.