ice point

noun

1. the temperature at which a mixture of ice and air-saturated water at a pressure of one atmosphere is in equilibrium, represented by 0°C and 32°F.

noun

1. the temperature at which a mixture of ice and water are in equilibrium at a pressure of one atmosphere. It is 0° on the Celsius scale and 32° on the Fahrenheit scaleCompare steam point

1. The temperature, equal to 0°C (32°F), at which pure water and ice coexist in equilibrium at 1 atmosphere of pressure.