1. 沸点
The boiling point of a liquid is the temperature at which it starts to change into steam or vapour. For example, the boiling point of water is 100? centigrade.

2. （局势的）爆发点
If a situation reaches boiling point, the people involved have become so angry that they can no longer remain calm and in control of themselves.

1. being highly angry or excited
ready to boil over

e.g. after an hour of waiting I was at the boiling point

2. the temperature at which a liquid boils at sea level

e.g. they brought the water to a boil

Synonym: boil