Freezing Point Depression Definition

Chemistry Glossary Definition of Freezing Point Depression

sea water
The freezing point of sea water is lower than that of fresh water due to freezing point depression. Pixabay

Freezing Point Depression Definition: 

The phenomenon that occurs when the freezing point of a liquid (a solvent) is lowered by adding another compound to it, such that the solution has a lower freezing point than the pure solvent.

Example:

The freezing point of seawater or even ordinary saltwater is lower than the freezing point of pure water.