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Definition of Mercury-vapour lamp
1. Noun. a gaseous discharge lamp in which the arc discharge takes place in mercury vapour; used for highway illumination and as an industrial source of ultraviolet radiation ¹
¹ Source: wiktionary.com
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1. Noun. a gaseous discharge lamp in which the arc discharge takes place in mercury vapour; used for highway illumination and as an industrial source of ultraviolet radiation ¹
¹ Source: wiktionary.com