1. the separation of low-melting constituent of an alloy from remaining constituent, usually in wide melting range alloy; 2. partial melting of an alloy, usually in result of coring or other compositional heterogenitis, 1. sulami madalama sulamistemperatuuriga komponendi eraldumine reeglina laia sulamisvahemikuga sulami järelejäänud komponendist; 2. sulami osaline sulamine tulenevalt sulami koostise ebaühtlusest