Flash point

Flash´ point`

n.	1.	the lowest temperature at which the vapors given off by a volatile liquid exposed to air will burst into flame when approached by a flame. Also called flashing point.
	2.	That point in time or that degree of provocation at which someone will suddenly begin to act vigorously; - often used in reference to angry reactions.

Noun	1.	flash point - point at which something is ready to blow up Synonyms: flashpoint
	2.	flash point - the lowest temperature at which the vapor of a combustible liquid can be ignited in air Synonyms: flashpoint