from The Century Dictionary.

  • noun A becoming or making sour: as, the souring of bread.
  • noun That which makes sour or acid; especially, vinegar.
  • noun The wild apple, or crab-apple; also, any sour apple.
  • noun Dough left in the tub after oat-cakes are baked.
  • noun In bleaching, the process of exposing fibers or textures to the action of dilute acid; specifically, the exposing of goods which have been treated in a solution of chlorid of lime to a dilute solution of sulphuric acid, which, by setting free the chlorin, whitens the cloth, and neutralizes the alkalis with which the cloth has been impregnated.
  • noun A process of dressing sealskin.

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

  • noun (Bot.) Any sour apple.

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

  • verb Present participle of sour.
  • noun dated Any sour apple.

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

  • noun the process of becoming sour


Sorry, no etymologies found.


  • We see that here in the United States with what I call the souring of his presidency.

    CNN Transcript Jan 7, 2006

  • Meanwhile, Spain's 20% unemployment and persistent real-estate downturn has led to a rise in souring loans on banks 'balance sheets and lending growth is sluggish.

    Spain's Banks Go From Owning to Renting

  • Reluctantly the demoness did, her expression souring as she parted with it.

    Up In A Heaval

  • Polling now suggests that support is souring, which is probably why local politicians are sending in the cops all of a sudden.

    CBC | Top Stories News

  • As the Obama Administration has in recent days taken a couple of steps in the civil liberties/national security area -- opposing release of torture photos and declaring an intent to retain some form of military commissions for terror suspects (while considering a system of preventive detention), the media has had some fun with a story line about the left's "souring," as Politico put it, on President Obama.

    Gara LaMarche: Obama and the Left

  • He calls the panning of Yellow Dog "souring" and likens it to "having flu for a week".

    Culture |

  • He calls the panning of Yellow Dog "souring" and likens it to "having flu for a week".

    The Guardian World News

  • He calls the panning of Yellow Dog "souring" and likens it to "having flu for a week".

    The Guardian World News

  • "Traditional methods of bleaching wool involved dipping the fabric in water, boiling it in weak lye water, exposing it to sunlight ofr several days or weeks in bleach fields, and finally 'souring' the fabric by soaking it in sour milk."

    Covenant Zone

  • Francis Home writes in Experiments in Bleaching, (1754) that diluted sulfuric acid is a good substitute for sour milk that also cuts the 'souring' process time by 90 per cent.

    Covenant Zone


Log in or sign up to get involved in the conversation. It's quick and easy.