If the dispersed phase is liquid and the dispersion medium is solid, then the colloid is known as:
Gel
Gels are colloids in which the dispersed phase is liquids and the dispersing medium is solids. Cheese is an example of a gel.
Foam is a colloid of a gas in a solid.
A sol is a colloidal mixture of very small solid particles in a liquid.
An emulsion is formed by the dispersion of liquid in a liquid medium.