verb
- to remove or lose color; to make or become colorless
Usage: British spelling; third person singular present
Examples
- The harsh sunlight decolours the fabric over time.
- This chemical decolours the solution instantly.
- The old photograph decolours with age.
- Heat decolours many organic compounds.
- The bleaching agent decolours the stained cloth.
- Exposure to chlorine decolours hair.