• synonyms


verb (used with object), pep·to·nized, pep·to·niz·ing.
  1. to subject (food) to an artificial, partial digestion by pepsin or pancreatic extract in order to aid digestion.
  2. to hydrolyze or dissolve by a proteolytic enzyme, as pepsin.
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Also especially British, pep·to·nise.

Origin of peptonize

First recorded in 1875–80; peptone + -ize
Related formspep·to·ni·za·tion, nounpep·to·niz·er, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for peptonization

Historical Examples of peptonization

  • The peptonization should not be carried beyond a slightly bitter taste.

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


  • Take, for example, the single question of peptonization by gastric digestion.

    On Digestive Proteolysis

    R. H. Chittenden

British Dictionary definitions for peptonization



  1. (tr) to hydrolyse (a protein) to peptones by enzymic action, esp by pepsin or pancreatic extract
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Derived Formspeptonization or peptonisation, nounpeptonizer or peptoniser, noun
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

peptonization in Medicine


  1. To convert protein into a soluble peptone by enzymatic action.
  2. To dissolve food by means of a proteolytic enzyme.
  3. To combine with peptone.
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Related formspep′to•ni•zation (-nĭ-zāshən) n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.