refinement [refinements](act, or the result of refining; the removal of impurities, or a purified material) noun [UK: rɪ.ˈfaɪn.mənt] [US: rə.ˈfaɪn.mənt]
arıtımevi noun
refinery [refineries](building used to produce refined products) noun [UK: rɪ.ˈfaɪ.nə.ri] [US: rə.ˈfaɪ.nə.ri]