1a. a place, event, or time at which trouble, such as violence or anger, flares up.
1b. a personal life reset or paradigm
shift caused in ones' life because of such a place, event, or time.
1c. a deliberately triggered reset in a timeline.
2. the temperature at which a particular
organic compound gives off sufficient vapor to ignite in
air.
The assassination of Archduke Franz Ferdinand was the flashpoint for the First World War.
Bruce Jenner's transition into Caitlyn Jenner was a flashpoint for his/her life.
Barry
Allen, from the Justice League, decided to
trigger another Flashpoint to
change the pyrrhic victory following the events of the Apokolips War.
The flashpoint of paper is 450 degrees Celsius.