B1[I or T]If you freeze something, you lower its temperature below 0°C, causing it to become cold and often hard, and if something freezes, its temperature goes below 0°C: Water freezes to ice at a temperature of 0°C.The ground had frozen hard/solid.When the lake freezes (over)(= turns into ice on the surface), we can go skating on it.Our pipes froze (up)(= the water in them turned to ice) several times last winter.The weather forecast says that it is going to freeze tonight (= that the temperature will be at or below 0°C).Without a sleeping bag, you would freeze to death(= become so cold that you die) out there on the mountainside.Snow and iceColdB1[I or T]to make food last a long time by storing it at a very low temperature so that it becomes hard: I'll freeze any food that's left over.Most soups freeze (= can be preserved by being stored at a very low temperature) well.Preserving and storing food