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• n  excessive acidity

• Some sufferers try to dignify their complaints with such technical terms as hyperacidity and acidosis.
• Quipped one shopkeeper, overhauling his price lists on patent medicines: "If you experience stomach distress due to hyperacidity, it will now cost you 6.

News & Articles

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• Rare Blue Flowers Reveal How Petals Get Their Color
  Beautiful and fragrant blue petunias get their unusual color from a molecular defect in the system that controls the acidity of the plants' cells. In blue petunias, the researchers found, genetic defects skew this pumping system so this hyperacidity does not occur.
  Jan. 2, 2014 - LiveScience.com via Yahoo! News