1. washes something beforehand or in advance
Usage: third person singular present

1. preliminary washing cycles or treatments applied before the main wash
Usage: plural

Examples

• She always prewashes heavily soiled clothes before putting them in the washing machine.
• The dishwasher prewashes the dishes with a quick rinse cycle.
• He prewashes his work uniforms to remove grease stains.
• The laundromat offers prewashes for extra dirty items.
• Most modern washing machines include automatic prewashes for certain cycles.
• The fabric care instructions recommend prewashes for delicate materials.