refining
noun
1. the process of removing impurities (as from oil or metals or sugar etc.)
Similar word(s): purification, refinement
Definition categories: process, processing
verb
1. present participle of refine
1. the process of removing impurities (as from oil or metals or sugar etc.)
Similar word(s): purification, refinement
Definition categories: process, processing
1. present participle of refine