1. the action of making a liquid weaker by adding water or another liquid
2. the reduction in strength, value, or quality of something
3. a liquid that has been made weaker by adding water or another substance

Examples

• The dilution of the cleaning solution made it safer to use.
• Stock dilution occurs when a company issues new shares.
• The medicine requires a 1:10 dilution with water before use.
• Critics argued that the dilution of academic standards was harming education.
• The laboratory prepared several dilutions of the sample for testing.
• Adding too much water caused excessive dilution of the paint.
• The dilution weakened the flavor of the soup considerably.