This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. The process of liquefying.

n. The state of being liquefied.

n. Process of, or state of having been, made liquid.

n. The act or operation of making or becoming liquid; especially, the conversion of a solid into a liquid by the sole agency of heat.

n. The state of being liquid.

n. The act, process, or method, of reducing a gas or vapor to a liquid by means of cold or pressure.

n. The act or process of liquefying, or of rendering or becoming liquid; reduction to a liquid state.

n. The state of being liquefied or melted.

n.

n. the conversion of a solid or a gas into a liquid

""It is extremely difficult to get around owing to what they call 'liquefaction' of the ground and sink holes.""

physical change    phase transition    state change    phase change   

dissolving    dissolution   

abstraction    action    attraction    contraction    diffraction    dissatisfaction    distraction    exaction    extraction    faction   

disrobing    sharpen    vaporization    exsiccation    histologic    diversifications    percolation    petrifaction    infarct    concretion