Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • transitive & intransitive verb To make or become slightly acid.

from The Century Dictionary.

  • To tincture with an acid; render somewhat acid or sourish.
  • Figuratively, to sour, as the mind; embitter; make cross or captious.

from the GNU version of the Collaborative International Dictionary of English.

  • transitive verb To make sour or acid in a moderate degree; to sour somewhat.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • verb transitive To make something slightly, or moderately acid; to acidify
  • verb transitive To make sour in a moderate degree; to sour somewhat
  • verb transitive To use an acidic catalyst. The chemical change being emphasised over the importance of the change in ph. Used in the processing of biodiesel co-products.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • verb make sour or more sour

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[acidul(ous) + –ate.]

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Examples

Comments

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  • Example sentences so far are all for the literal sense--making more acidic or sour. A figurative example:

    "This remark produced a mild sensation, and the Coroner became even more acidulated in manner than before." Dorothy L. Sayers, Whose Body?

    October 10, 2015