(transitive) To make slightly or moderately acid; to acidify. / (transitive) To make sour in a moderate degree; to sour somewhat.

Third-person singular simple present indicative form of acidulate

simple past tense and past participle of acidulate

Having an acid quality; sour; acidulous.

Slightly sour; sub-acid; sourish. / (figuratively) Sharp; caustic. / Containing carbonic acid.

present participle of acidulate

The act of acidulating.

plural of acidulation

A state of or tendency toward being acidulous or somewhat sour or acid.

In an acidulous manner; in a mildly sour or acid way.