1. the process of removing or losing color
Usage: British spelling

1. present participle of decolour; removing or causing to lose color
Usage: British spelling

Examples

• The decolouring of the fabric was caused by too much sunlight.
• She noticed the gradual decolouring of her hair after swimming in chlorinated pools.
• The chemical process is decolouring the solution slowly.
• Decolouring agents are used in textile manufacturing.
• The old photograph showed signs of decolouring around the edges.
• The bleach is decolouring the stained shirt effectively.