a combining form representing ileum in compound words: ileostomy.

Also especially before a vowel, ile-.

Origin of ileo-

From New Latin Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for ileo-


before a vowel ile-

combining form

indicating the ileumileostomy
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

Word Origin and History for ileo-

comb. form from ileum (q.v.).

Online Etymology Dictionary, © 2010 Douglas Harper

ileo- in Medicine



The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.