1. the action of making something smaller or less in amount, degree, or size
2. a smaller or discounted amount, especially in price
3. the process of simplifying something to its basic elements

Examples

• The company announced a reduction in workforce due to budget cuts.
• There was a significant reduction in crime rates this year.
• The store offered a 20% reduction on all winter clothing.
• The reduction of the complex equation made it easier to solve.
• Weight reduction requires a combination of diet and exercise.
• The reduction reaction removed oxygen from the metal oxide.
• Budget reductions forced the school to eliminate some programs.