Definition of "acidity" in Englisch

noun

1. The quality or state of being acid.

2. Sourness; tartness; sharpness to the taste.

   • the acidity of lemon juice
   • Empty stomachs lead to acidity and leave a sour taste in the mouth.

3. (pathology) Excessive acid quality, as in gastric secretions.

4. (figurative) A caustic, sour, biting, or bitter quality.