also freezing-point
(~s)
1.
Freezing point is 0° Celsius, the temperature at which water freezes. Freezing point is often used when talking about the weather.
The temperature remained below ~ throughout the day.
N-UNCOUNT: usu above/below/to N
2.
The ~ of a particular substance is the temperature at which it freezes.
N-COUNT: usu with poss