ACIDITY

ACID'ITY, noun The quality of being sour; sourness; tartness; sharpness to the taste.

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acidity|acidness. Acidity, or Acidness, n. sharpness, sourness

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A‐cid″i‐ty (�), n. [[L. acidites, fr. acidus: cf. F. acidité. See Acid.]] The quality of being sour; sourness; tartness; sharpness to the taste; as, the acidity of lemon juice.