1. the process of purifying or improving something by removing impurities or unwanted elements
2. the industrial process of purifying crude oil or other raw materials
Usage: industrial

1. present participle of refine: making something purer or more precise

Examples

• The refining of crude oil produces gasoline and other petroleum products.
• Sugar refining removes impurities to create white sugar.
• The refining process took several weeks to complete.
• She is refining her technique through constant practice.
• The company specializes in the refining of precious metals.
• He spent months refining his research proposal.
• Oil refining is a complex industrial process.