What is sourness?

  • (noun): The taste experience when vinegar or lemon juice is taken into the mouth.
    Synonyms: sour, tartness
    See also — Additional definitions below

Some articles on sourness:

Tangy - Basic Tastes - Sourness
... Sourness is the taste that detects acidity ... The sourness of substances is rated relative to dilute hydrochloric acid, which has a sourness index of 1 ... By comparison, tartaric acid has a sourness index of 0.7, citric acid an index of 0.46, and carbonic acid an index of 0.06 ...

More definitions of "sourness":

  • (noun): The property of being acidic.
    Synonyms: sour, acidity