noun

acidity

acidity

The coffee has a high acidity.

The coffee has a high acidity.

We tested the acidity of the water.

We tested the acidity of the water.

the acidity ((of sth.)) the quality of being acid We tested the acidity of the water.

Synonyms: sourness, tartness; Antonyms: alkalinity, basicity

From 'acid' + '-ity' (a suffix indicating a state or quality). 'The quality of being acid'.

Think of the 'quality' or 'state' of being acid. The '-ity' ending often means 'the state of'.

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