ACIDITY, Aciditas, Acor, the Quality which constitutes or denominates a Body Acid, or that Sensation of Sharpness and Acrimony which Acids excite upon the Taste.See ACM, QUALITY, TASTE, etc.

A little Vitriol leaves an agreeable Acidity in Water.Vinegar and Verjuice have different sorts of Acidity.

The predominance of acidities in the body, and their ill effects in coagulating the blood, etc. is prevented by either repelling and mortifying them with Lixivious or Urinous Salts; or sheathing and absorbing them with Alkaline bodies. Thus, Minium destroys the acidity of Spirit of Vinegar; Lapis Calaminaris that of Sea Salt, etc. See ABSORBENT, etc.