acidity — English Dictionary

Noun

1. The quality or state of being acid.

   Usage

   • Countable
   • Uncountable

2. Sourness; tartness; sharpness to the taste.

   Usage

   • Countable
   • Uncountable

   Examples

   the acidity of lemon juice

   Empty stomachs lead to acidity and leave a sour taste in the mouth.

3. Excessive acid quality, as in gastric secretions.

   Usage

   • Countable
   • Uncountable

4. A caustic, sour, biting, or bitter quality.

   Usage

   • Countable
   • Figurative
   • Uncountable

   Examples

   "What shall we call it?" he asked. "Why should you not take the chance of perpetuating your own name?" said Summerlee, with his usual touch of acidity.

   It was a brave, good speech, a speech from that staunch and strong spirit which lay behind all the acidities and angularities of the old zoologist.

Noun

1. the property of being acidic

   Synonyms

   sournesssour

   Broader terms

   taste property

2. the taste experience when something acidic is taken into the mouth

   Synonyms

   acidulousness

   Broader terms

   soursournesstartness

3. pH values below 7

   Antonyms

   alkalinity

   Broader terms

   pHpH scale