Definitions for "Mercury vapor"
Keywords:  krypton, neon, argon, greenish, emits
(Abbr. MV) A type of high intensity discharge lamp in which the major portion of the light is produced by radiation from mercury. Emits a greenish cast of light.
Operates similar to fluorescent lamps except the mercury vapor is at a pressure of 30 - 60 PSI instead of 0.06 PSI. Mercury Vapor lamps are available in sizes from 50 - 1,000 watts.
a high-intensity discharge lamp type that uses mercury and several halide additives as light-producing elements.