what is kerosene
Full Definition of KEROSENE. : a flammable hydrocarbon oil usually obtained by distillation of petroleum and used as a fuel, solvent, and thinner.See kerosene defined for English-language learners.See kerosene defined for kids. a flammable hydrocarbon oil usually obtained by distillation of petroleum and used as a fuel, solvent, and thinner. See kerosene defined for English-language learners. See kerosene defined for kids.