nitric acid (redirected from Hydrogen nitrate)

nitric acid /ni·tric ac·id/ (ni´trik) a colorless liquid, HNO3, which fumes in moist air and has a characteristic choking odor; used as a cauterizing agent. Its potassium salt (potassium nitrate) is used in potassium deficiencies and as a diuretic; its sodium salt (sodium nitrate) as a reagent.

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ni·tric acid (ntrk)

n.

A transparent, colorless to yellowish, fuming corrosive liquid that is a highly reactive oxidizing agent.

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nitric acid,

n a colorless, highly corrosive liquid that may give off suffocating brown fumes of nitrogen dioxide on exposure to air. Commercially prepared nitric acid is a powerful oxidizing agent used in photoengraving and metallurgy.