quartz lampEnglishOxford New American Dictionaryquartz lamp /ˈˌkwôrts ˈlamp, ˈˌkwɔrts ˈlæmp/ ▸ noun an electric lamp in which the envelope is made of quartz, which allows ultraviolet light to pass through it. It may be a bulb containing a halogen or a tube containing mercury vapor.
EnglishOxford New American Dictionary
