• synonyms


  1. yielding acid in chemical reaction; acidic.
  2. (of food) containing a large amount of acid ash after complete oxidation.
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Origin of acid-forming

First recorded in 1865–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for acid-forming

Historical Examples

  • The fermentation which produces acid and the diffusion of acid-forming materials from the blood are alike prevented by it.

    A System of Practical Medicine By American Authors, Vol. II


  • In cheese a certain amount of acid can be produced by the acid-forming bacteria.

  • It does not do one much good to brush the teeth if he does not remove decaying and acid-forming matter from between the teeth.

    Vitality Supreme

    Bernarr Macfadden

  • Thus, the growth of acid-forming organisms in milk becomes checked by the formation of acid from the fermentation of the sugar.

  • Milk that has been fermented by the desirable kinds of acid-forming bacteria is not harmful.

British Dictionary definitions for acid-forming


  1. (of an oxide or element) yielding an acid when dissolved in water or having an oxide that forms an acid in water; acidic
  2. (of foods) producing an acid residue following digestion
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012