Related Clues:
- Verdigris for example
- Indicator of disuse
- Coloring on nails
- Paint applied with a glossy coat
- Green outer layer of a statue
- With 58-Across, area with severely declining industry
- Wheat disease
- Visible sign of oxidation
- Jalopy corrosion
- Right about America’s corrosive influence
- An antique might have one
- Coating formed by oxidation
- Sign of age on a car
- Orange-brown hue
- Metallic corrosion