hydrochloricacid

hy·dro·chlo·ric acid (hī'drə-klôrʹĭk, -klōrʹ-) n.

A clear, colorless, fuming, poisonous, highly acidic aqueous solution of hydrogen chloride, HCl, used as a chemical intermediate and in petroleum production, ore reduction, food processing, pickling, and metal cleaning. It is found in the stomach in dilute form.

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