1. (

• flash_point ,
• flashpoint

) point at which something is ready to blow up ;

2. (

• hot_spot ,
• hotspot ,
• trouble_spot ,
• flashpoint

) a place of political unrest and potential violence; "the United States cannot police all of the world's hot spots" ;

3. (

• flash_point ,
• flashpoint

) the lowest temperature at which the vapor of a combustible liquid can be ignited in air ;