What does acidulated mean?
Acidulated means made sour or slightly acidic, and it is also the past-tense and past-participle form of the verb acidulate. The word is especially common in culinary and scientific contexts, as in acidulated water, where a small amount of acid is added to sharpen or preserve food. Its tone is formal and precise: it suggests a deliberate, controlled acidity rather than food that has simply spoiled or become unpleasantly sour. In general writing, acidified is often more familiar, but acidulated can convey a traditional or technical process more clearly. The word is useful because it names both the result and the action of introducing acidity. Its Latin-derived formation also links it to related English terms such as acid, acidic, acidity, and acidify.
Made sour or slightly acidic; rendered acid.
"The fruit was served with acidulated water and a pinch of salt."
Common in culinary, laboratory, and technical contexts.
Past tense and past participle of acidulate: to make sour or slightly acidic.
"The brewer acidulated the wort with a small amount of lactic acid."
The form can also function as an adjective, as in acidulated water.
Acidulated describes the deliberate art of making something sour—especially a clean, bright acidity rather than an overwhelmingly bitter or fermented flavor.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of acidulated
Acidulated comes from the Latin acidulatus, the participial form of acidulare, meaning to make sour or acid. Latin acidulus is a diminutive of acidus, meaning sour or sharp-tasting, and the English verb developed with the familiar -ate verb-forming pattern. The related English words acid, acidic, acidity, and acidify share the same Latin root.
Related word forms
How acidulated is actually used
Acidulated is formal and especially common in culinary, laboratory, and technical writing. It often implies a controlled or mildly sour acidity rather than extreme sourness.
Easily confused with acidulated
Acidulate is the base verb meaning to make something sour or acidic, while acidulated is its past-tense, past-participle, and adjectival form.