Noun petrol has 1 sense
  1. gasoline, gasolene, gas, petrol - a volatile flammable mixture of hydrocarbons (hexane and heptane and octane etc.) derived from petroleum; used mainly as a fuel in internal-combustion engines
    --1 is a kind of fuel; hydrocarbon
    --1 is a substance of gasohol
    --1 has particulars: leaded gasoline; napalm; unleaded gasoline