Liquefaction Liquefaction Keyboard expression Liquefaction may refer to:

Soil liquefaction, the process by which sediments are converted into suspension, as in Earthquake liquefaction, Quicksand, Quick clay, and turbidity currents.
Liquefaction of gases in physics, chemistry, and thermal engineering.
Liquification, the process of making or becoming liquid (a more general term, sometimes used in place of liquefaction in the energy industry, and food processing.)