n. The process of coating a surface with a thin layer of silver (or a similar metal), especially so as to form a mirror
the GNU version of the Collaborative International Dictionary of English
n. The art or process of covering metals, wood, paper, glass, etc., with a thin film of metallic silver, or a substance resembling silver; also, the firm do laid on.
The Century Dictionary and Cyclopedia
n. The art or practice of covering anything with silver, or with a bright-shining white surface like that of silver; also, a sensitizing with a salt of silver, as in photography.
n. Silver or plating laid on any surface.
Word Usage
"Rated voltage, power rating in watt and/or luminous flux in lumen, type of base and bulb and/or special wishes such as silvering, colour or ornament glass."