freezing point n the temperature at which a liquid solidifies specif the temperature at which the liquid and solid states of the substance are in equilibrium at atmospheric pressure: MELTING POINT <the freezing point of water is 0° Celsius or 32° Fahrenheit>
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the temperature at which a liquid begins to freeze; that of pure water is 0°C, or 32°F. It is often used interchangeably with melting p. but should be reserved for substances being cooled, while melting point is used for substances being heated.Medical dictionary. 2011.