acidulate verb trans. [ǝ'sɪdjʊleɪt] M18.[formed as ACIDULOUS + -ATE3.]Make somewhat acid or sour; flavour with an acid.
fig.: 
■ Ld Macaulay Scarcely any compliment not acidulated with scorn. ■   acidu'lation noun the process or state of being acidulated 
M19.  [TahlilGaran] English Dictionary ▲