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|Noun||1.||soaking up - (chemistry) a process in which one substance permeates another; a fluid permeates or is dissolved by a liquid or solid|
chemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
imbibition - (chemistry) the absorption of a liquid by a solid or gel
sorption - the process in which one substance takes up or holds another (by either absorption or adsorption)