mercury-vapour lamp


Also found in: Thesaurus, Encyclopedia, Wikipedia.

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
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
Solihull Council is replacing 5,374 of its old mercury-vapour lamps with new, energy efficient LED lamps.