A substance used to remove impurities from liquids, especially in industrial processes like refining oils or sugar.
From Latin 'defaecare,' combining 'de-' (away) and 'fæces' (dregs or sediment). The term developed in chemistry and industrial contexts to describe materials that clarify liquids by removing solid waste.
Industrial chemists use defecants like clay and charcoal in refining processes—it's basically the scientific term for strainers and filters that clean up liquids, and the word itself comes from the same Latin root as 'feces' because both deal with removing waste.
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