- 1
The quality or state of being acid.countableuncountable
- 2
Sourness; tartness; sharpness to the taste.countableuncountable
- 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.countableuncountable
- 4
A caustic, sour, biting, or bitter quality.countablefigurativelyuncountable
- "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.
ant. alkalinity · basicity