Related Clues:

• Indicator of age
• Partly eat away
• Slowly reduce, as a cliff face
• Slip away, as support
• Gradually diminish
• Tin Man's malady
• Auto-body problem
• Tin Man's worry
• Diminish slowly
• Oxidation effect
• Diminish over time
• Shrink in increments
• Grind down
• Iron wear
• Oxidation of metal