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nitric acid n a corrosive liquid inorganic acid HNO3 used esp. as an oxidizing agent, in nitrations, and in making organic compounds
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a strong corrosive mineral acid, HNO3, the concentrated form of which is capable of producing severe burns of the skin. Swallowing the acid leads to intense burning pain and ulceration of the mouth and throat. Treatment is by immediate administration of alkaline solutions, followed by milk or olive oil.
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ni·tric ac·id (niґtrik) a strong mineral acid, HNO3, an extremely corrosive liquid with a characteristic suffocating odor; it is a strong oxidizing agent that is highly toxic by inhalation and corrosive to skin and mucous membranes.Medical dictionary. 2011.