1. to clean something beforehand or in preparation for a subsequent process
Usage: transitive verb; often used in industrial, manufacturing, or household contexts

Examples

• You should preclean the dishes before loading them into the dishwasher.
• The factory precleaned all metal parts before assembly.
• Preclean the vegetables to remove any dirt or debris.
• Workers preclean the equipment at the start of each shift.
• It is important to preclean the wound before applying medication.