Acidulate

//əˈsɪd͡ʒʊ.leɪt// verb

Definitions

Verb
  1. 1
    To make slightly or moderately acid; to acidify. transitive
  2. 2
    make sour or more sour wordnet
  3. 3
    To make sour in a moderate degree; to sour somewhat. transitive

    "Twenty leeches were ordered to be applied round the nose every two days; frequent emollient fomentations; the local vapour bath; general bathing; stimulating pedilavia; a strict regimen; vegetables, milk, white meats; demulcent or acidulated drinks; avoidance of exposure to the sun or to cold air; flannel waistcoat and trousers. This treatment, being strictly observed for two months, caused all the inflammatory symptoms to disappear, […]"

  4. 4
    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. transitive

Etymology

Compare French aciduler. See acidulous.

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