Colliod: A mixture in which the suspended particles are to small to be seen with the naked eye
Suspension: A temporary heterogenous mixture that separartes into individual components with time
A colliod is a stable soulution and a suspension is only stable stable for a time or not stable at all
Examples of colliods: glues, the preparation of soils for agricultural purposes, the manufacture of photographic plates anf films, the silvering of glass, for mirrors, and certain methods of dying.