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

Origin of acid-forming

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

Examples from the Web for acid-forming

Historical Examples of acid-forming

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
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