sodium-vapour lamp

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sodium-vapour lamp

n
(Electronics) a type of electric lamp consisting of a glass tube containing neon and sodium vapour at low pressure through which an electric current is passed to give an orange light. They are used in street lighting
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Noun1.sodium-vapour lamp - lamp in which an electric current passed through a tube of sodium vapor makes a yellow light; used is street lighting
lamp - an artificial source of visible illumination
References in periodicals archive ?
Featuring 600 watt sodium lamps, the unit replicates the effect of natural daylight on areas of the pitch to maintain the health of the grass during the winter months.
A massively expensive, outdated patchwork of inefficient mix-and-match sodium lamps.
The realisation that the sodium lamps were interrupting the mating patterns was made by amateur naturalist Jenni Cox, who noticed the problem on Marine Drive.
Between the new LED lighting and a new streamlined response process, this number dropped to 200 (all related to high-pressure sodium lamps still in operation).
Keeping with Lexus' environmental credentials, LED lamps have been fitted in the workshop to reduce temperature emanating normally from high intensity sodium lamps and consequently save energy.
The programme has converted 88 sodium lamps into energy saving LED units.
The tunnel, which has separate lanes for vehicles and pedestrians heading to the mosque, contains 882 sodium lamps, 2,123 fluorescent lamps, 68 jet fans, eight escalators and eight devices for measuring carbon monoxide levels, according to the municipality.
Just over 100 staff will remain at the factory, producing low pressure sodium lamps for the global market.
Instead of standard bulbs, opt for LEDs, yellow "bug lights", or sodium lamps.
According to a new report from Pike Research, a part of Navigant's Energy Practice, by 2015, LEDs will become the second-leading type of lamp for street lights in terms of sales, behind only high pressure sodium lamps.