Flash point (Parlama noktası) nedir?

A
The temperature at which a particular organic compound gives off sufficient vapour to ignite in air.
B
The lowest temperature at which a liquid fuel must be heated to sustain combustion.
C
The temperature at which an oil begins to solidify and flow ceases.
D
The minimum temperature required to ignite a substance without any external heat source.
E
The viscosity of the oil measured at 40°C.