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mercury vapor lamp
mercury vapor lampn. A lamp in which ultraviolet and yellowish-green to blue visible light is produced by an electric discharge through mercury vapor. The color spectrum may be corrected by the addition of a phosphor coating, and ultraviolet blocking is required to prevent injury.EncyclopediaSeeMercury-Vapor Lampmercury vapor lamp
mer·cu·ry va·por lampa lamp in which the electric arc is in an ionized mercury vapor atmosphere; it produces ultraviolet light that can be used therapeutically or in diagnostic photometry. |