What is another word for Sodium-vapour Lamp?
Pronunciation: [sˈə͡ʊdi͡əmvˈe͡ɪpə lˈamp] (IPA) 
A sodium-vapour lamp is a type of discharge lamp that uses sodium vapour to emit light. It is also known as a high-pressure sodium lamp (HPS lamp) or sodium vapor lamp. There are several other synonyms for this term, including sodium-vapor discharge lamp, sodium high-pressure lamp, sodium discharge tube, and sodium-vapor streetlight. These lamps emit a yellowish-orange glow and are common in street lighting and industrial applications due to their high efficiency and long lifespan. While there are newer and more energy-efficient lighting options available, sodium-vapour lamps remain a reliable choice for many outdoor lighting needs.
