mercury-vapour lamp


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mercury-vapour lamp

n
(General Physics) a lamp in which an electric discharge through a low pressure of mercury vapour is used to produce a greenish-blue light. It is used for street lighting and is also a source of ultraviolet radiation
References in periodicals archive ?
Interacting with media in Kathmandu today, Deputy Premier and Minister for Federal Affairs and Local Development Kamal Thapa has revealed that the existing halogen, CFL and mercury-vapour lamp on the streets will be progressively replaced with the Public Participation Based Solar Street Light Programme.
Solihull Council is replacing 5,374 of its old mercury-vapour lamps with new, energy efficient LED lamps.
Together with that, he added, transition to LED lighting systems would displace environmentally dangerous mercury-vapour lamps.