-tomy(redirected from -otomy)
Also found in: Medical.
Act of cutting; incision: gastrotomy.
[New Latin -tomia, from Greek -tomiā, from tomos, a cutting, from temnein, to cut; see tem- in Indo-European roots.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
n combining form
(Surgery) indicating a surgical cutting of a specified part or tissue: lobotomy.
[from Greek -tomia; see -tome]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a combining form meaning “division” (trichotomy), “cutting, dissection, surgical incision” (laparotomy; lobotomy), “excision” of an object (lithotomy).
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.