MAZUT, mahsuloti moe, ki badi az neft judo kardani benzin, ligroin, karasin va fraksiyahoi suzishvorii dizeli memonad; zichiash 870— 1000 kg/m3 (20°S); garmii suzishash 9100—10000 k ka l/kg; 0,8—3,5% sulfur, 60% zift, 0,1—0,5% khokistar dorad.
Mazutro dar istehsoli raganhoi molidani, bitum, koks va chun suznshvori dar deghoi bugi, pechhoi gunoguni sanoati, turbinahoi gazn va g. istifoda mebarand. Qismi ziyodi Mazut bo rohi kreking ba suzishvoris sabuki motori tabdil doda meshavad.