Meaning of EXTRACTION in English

A technique for separating components in a mixture that have different solubilities . For example, caffeine can be separated from coffee beans by washing the beans with supercritical fluid carbon dioxide; the caffeine dissolves in the carbon dioxide but flavor compounds do not. Vanillin can be extracted from vanilla beans by shaking the beans with an organic solvent, like ethanol.

General chemistry English glossary.      Английский глоссарий общей химии.