ppl. a. [f. prec. + -ED.] Rendered somewhat acid or sour; flavored with acid. Also fig. Somewhat soured in temper.
1732. Arbuthnot, Rules of Diet, 245. Likewise all acidulated and chalybeat Waters.
1837. Brewster, Magnetism, 156. Two ends of the wire were plunged in slightly acidulated water.
1853. Soyer, Pantropheon, 122. The pomegranate, whose acidulated flavour is so pleasing to the inhabitants of hot climates.