Meaning of fire gilding in English:

fire gilding

noun

  • Gilding in which a gold amalgam is applied to metal, and the mercury then evaporated off with a gentle heat.

    The amalgam is made by adding red-hot gold to heated mercury and stirring. It is applied when it has cooled to room temperature.

Origin

Mid 19th century; earliest use found in John Holland (1794–1872), poet and writer.