freez·ing point (frē′zĭng) The temperature at which a liquid becomes a solid. For a given substance, the freezing point of its liquid form is the same as the melting point of its solid form. The freezing point of water is 32°F (0°C); that of liquid nitrogen is -345.75°F ...
Freezing point depression is the difference between 0°C and the temperature at which an ice cream mix first begins to freeze. Learn about Freezing Point Depression Here.