- the temperature at which a specified liquid boils; temperature at which the vapor pressure of a specified liquid equals the atmospheric pressure: water at sea level boils at 212°F or 100°C
- the point at which one loses one's temper or matters get out of control
- Abbr. BPa. The temperature at which a liquid boils at a fixed pressure, especially under standard atmospheric conditions.b. The temperature at which the vapor pressure of a liquid is equal to the ambient atmospheric pressure.
- Informal a. The point at which one loses one's temper.b. The point of crisis; the turning point.
(plural boiling points)