# acidulate

> English word · Verb · IPA /əˈsɪd͡ʒʊ.leɪt/

## Definitions
1. To make slightly or moderately acid; to acidify.
2. To make sour in a moderate degree; to sour somewhat.
3. To use an acidic catalyst, with the chemical change being emphasised over the importance of the change in pH. Used in the processing of biodiesel co-products.

## Etymology
Compare French aciduler. See acidulous.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/acidulate