e/Hydrargyrum quartz iodide

Information
has gloss	eng: Hydrargyrum quartz iodide (HQI) is a special type of high-intensity discharge (or HID) lighting, where the light is produced by an electrical arc through a gas. Hydrargyrum is the Latin name for the element mercury. When heated, mercury vapour is created inside the lamp, and deposited when it cools.
lexicalization	eng: Hydrargyrum quartz iodide
instance of	(noun) an electric lamp in which the light comes from an electric discharge between two electrodes in a glass tube electric-discharge lamp, gas-discharge lamp