IPA: /ˈæsɪdʒʊleɪt/
KK: /ˈæsɪdʒʊleɪt/
To make something a little bit sour or acidic.
The chef decided to acidulate the sauce to enhance its flavor.
Past: acidulated
Past Participle: acidulated
Acidulate is formed from "acidus" (meaning sour) and the suffix "-ate" (indicating to make or to become). The word means to make something sour or slightly acidic.
Think of 'sour' ('acidus') and remember that 'acidulate' means to make something slightly sour.