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# acidity

noun (acidity; uncountable)

«acidity» in the English dictionary: everyday — its meanings, how the lessons use it, and examples, each with its tree on Mova.

## Everyday

1. Acidity is how acidic something is: how strong an acid it is. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/acidity/#m1)
2. Acidity is the sour taste of acidic food like lemons. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/acidity/#m2)
3. (informal) Acidity can mean heartburn or too much acid in the stomach. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/acidity/#m3)
4. Acidity of words or a manner means sharpness or unkindness (literary). [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/acidity/#m4)

### In the lessons

Used in science (the pH scale: below 7 is acidic; testing with litmus or red cabbage indicator), in gardening (soil acidity), environment (acid rain, ocean acidity), cooking and health.

### Examples

- We tested the acidity of lemon juice with indicator paper. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/acidity/#x1)
- Vinegar has a high acidity. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/acidity/#x2)
- The pH scale measures acidity. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/acidity/#x3)
- Some plants need soil with high acidity. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/acidity/#x4)
- The acidity of the oceans is rising as they absorb carbon dioxide. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/acidity/#x5)
- The acidity of the orange made my mouth tingle. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/acidity/#x6)
- Too much fizzy drink can cause acidity in the stomach. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/acidity/#x7)

### Note

Uncountable. Adjective: «acidic» or «acid». On the pH scale, a LOWER number means HIGHER acidity: pH 2 is more acidic than pH 5. Opposite: «alkalinity».

## On Mova

- [Trees and pragmatics of «acidity» in the school dictionary](https://mova.elamur.ai/free/en/corpora/dictionaries/school/A/acidity/): every meaning and example parsed by Mova, with its dependency tree and frames.
- [«acidity» in the school dictionary](https://mova.elamur.ai/free/en/dictionaries/school/w/acidity.html) on Mova free.