/ (ɪˈrɛpsɪn) /


a mixture of proteolytic enzymes secreted by the small intestine

Word Origin for erepsin

C20 er-, from Latin ēripere to snatch (from rapere to seize) + (p) epsin
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

Examples from the Web for erepsin

  • Luciferase is destroyed only by pepsin (probably), trypsin, erepsin, and something in spleen and liver extract.

Medicine definitions for erepsin

[ ĭ-rĕpsən ]


An enzyme complex found in intestinal and pancreatic juices that functions in the breakdown of polypeptides into amino acids.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.