What is another word for carbon-arc lamp?
Pronunciation: [kˈɑːbənˈɑːk lˈamp] (IPA) 
A carbon-arc lamp is a type of light source that uses carbon rods to create a bright arc of light between them. Alternatively known as arc lamps, they have been in use since the late 1800s and are still in use today in certain applications. Some synonyms for carbon-arc lamp include arc light, carbon arc, electric arc lamp, arc discharge lamp, and carbon-arc searchlight. These synonyms refer to the same type of lamp with varying degrees of specificity. While the words may be used interchangeably in some contexts, the latter terms may refer to specific types of carbon-arc lamps with unique characteristics.
