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.