kero·sene (also kero·sine) BrE/ˈkerəsiːn/NAmE/ˈkerəsiːn/noun[U]atypeoffueloilthatismadefrompetroleum and that is used in the engines of planes and for heat and light. In British English it is usually called paraffinwhenitisusedforheatandlight煤油◆akerosenelamp煤油灯