What is another word for arc lamp?
Pronunciation: [ˈɑːk lˈamp] (IPA) 
Arc lamps are a type of electric lamp that uses an arc of electricity to produce light. The most common synonym for an arc lamp is a carbon arc lamp. This type of lamp uses two carbon electrodes to create a bright arc of light. Other synonyms for arc lamps include carbon arc light, arc light, arc light bulb, arc discharge lamp, and xenon arc lamp. Each of these synonyms refers to a slightly different type of arc lamp, but they all share the same basic principle of using an electric arc to generate light. Arc lamps have been used for over 150 years and continue to be an important source of light in a variety of applications.
