1. The lowest temperature at which a liquid gives off vapor that ignites when exposed to a flame or spark.
Usage: technical; chemistry
2. A place or situation where conflict, violence, or sudden trouble is likely to occur or has occurred.
Usage: figurative

Examples

• The flashpoint of gasoline is approximately -43°C.
• The Middle East has been a flashpoint for international tensions for decades.
• Disagreements over water rights became a flashpoint between the two nations.
• The city's downtown area was identified as a potential flashpoint during the protest.
• Understanding the flashpoint of different oils is important for industrial safety.
• The border region remains a flashpoint for military conflict.