1. (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.

2. (n.) The state of being liquid.

3. (n.) The act, process, or method, of reducing a gas or vapor to a liquid by means of cold or pressure; as, the liquefaction of oxygen or hydrogen.

chylifaction chylification flow fluency fluidity fluidness flux fluxility fluxion juiciness lactation lactescence liquidness milkiness moisture rheuminess sappiness serosity succulence suppuration wateriness