1. the process of grinding or reducing a substance to a fine powder, especially by rubbing with a liquid
Usage: technical; chemistry; pharmacy
2. the separation of fine particles from coarse ones by washing or flotation
Usage: technical; geology; mining

Examples

• The pharmacist used levigation to prepare the medicinal powder.
• Levigation of the clay removed the larger impurities.
• The laboratory employed levigation to create uniform particle sizes.
• Ancient potters relied on levigation to refine their clay.
• The mining process included levigation to separate valuable minerals.
• Levigation with water helped isolate the finest particles.