flash point



  • noun temperature at which fuel vapour or oil vapour will burst into flame

Cars & Driving

  • noun the lowest temperature at which vapours from a volatile fuel will ignite momentarily on the application of a small flame under specified conditions


  • The minimum temperature at which a combustible liquid will give off sufficient vapor to produce a combustible mixture when mixed with air and ignited. Defined flash points are for specific enclosure conditions and ignition energy.
  • The temperature at which a substance will spontaneously ignite.


  • The lowest temperature at which the vapour over hot oil will burn but will not sustain combustion of the liquid. It is around 290°C to 330°C for cooking oils.