The term liquifaction is commonly misapplied to the displaced, saturated sediment as opposed to the process by which it was formed.
- In physics, chemistry, and genetic engineering
- Liquefaction is referred to as liquefaction of gases, the process of condensing a gas into a liquid. Liquefaction can be a change from a gas to a liquid through condensation, usually by cooling, or a change from a solid to a liquid through melting, usually by heating or by grinding and blending with another liquid to induce dissolution.
- In the energy industry
- Both liquefaction and occasionally liquefication refer to reforming coal (see coal liquefaction) or gas (see liquefaction of gases) into a liquid form that is economical to transport and use as fuel. When using biomass the process is usually specified as Biomass to liquid.
- In biology
- Liquefaction often involves organic tissue turning into a more liquid state. For example, liquefactive necrosis in pathology, or liquefaction as a parameter in semen analysis.