The Collaborative International Dictionary
Metallochrome
Metallochrome \Me*tal"lo*chrome\, n. [See Metallochromy.] A coloring produced by the deposition of some metallic compound; specifically, the prismatic tints produced by depositing a film of peroxide of lead on polished steel by electricity.
Wiktionary
metallochrome
n. A colouring produced by the deposition of some metallic compound; specifically, the prismatic tints produced by depositing a film of peroxide of lead on polished steel by electricity.