DictionaryRoot: liquere
Latin
liquere
to be fluid
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noun
liquefaction
lik-wuh-FAK-shun/lˌɪkwʌfˈækʃʌn/
The process of becoming liquid or beginning to behave like a liquid.
Etymology
The roots combine to mean “make fluid,” and the noun ending names that action as a process. Liquefaction therefore describes the change into a liquid state, rather than the liquid produced.