Faraday's Laws
Two laws of electrolysis relating the amount of substance to the quantity of electric charge.

Fluid
A liquid or gas.

Free energy
The thermodynamic quantity measuring the tendency of a reaction to proceed; also called Gibbs free energy.

Freezing point
The temperature at which a liquid changes to a solid.

Freezing point depression
The decrease in freezing point of a solution, proportional to the concentration of solute.

Fusion
Melting.