rhizoverbBeta
DictionaryacidityAcid content
noun

acidity

uh-SID-uh-tee/əˈsɪdəti/

The extent of a substance's acidic properties.

A digital probe measures the acidity of lemon juice.

A digital pH probe immersed in lemon juice reads pH 2.3, making acidity visible as a measured chemical property rather than merely depicting sour fruit.
Etymology
acidLatinsour, tart
+ityLatinquality or state

Acidus described sourness like the taste of vinegar, so acidity originally named the quality of being sour. As chemistry defined acids more precisely, acidity extended beyond taste to a chemical property.

In context

Pailin's Kitchen3:26
brands will vary in acidity how sour the tamarind is but even within the same brand different batches
The Ultimate Guide to TAMARIND - Hot Thai Kitchen!

More examples

  • Adding lime reduces the soil's acidity.
  • The coffee's bright acidity balances its sweetness.
  • An unexpected acidity in his reply silences the room.

Forms

acidic adjective — Containing acid or having its characteristic properties.

Similar words

sourness
Describes taste rather than a measured chemical property.
bitterness
In speech, more strongly suggests resentment or lingering hurt.