flash point (also flash·point) • n. 1. a place, event, or time at which trouble, such as violence or anger, flares up: the flash point of the conflagration is just blocks away.2. Chem. the temperature at which a particular organic compound gives off sufficient vapor to ignite in air.

flash point With reference to frying oils, the temperature at which the decomposition products can be ignited, but will not support combustion; range between 290 and 330 °C. See also fire point; smoke point.