a combining form meaning “excision” of the part specified by the initial element, used in the formation of compound words: tonsillectomy.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for -ectomy
n combining form
indicating surgical excision of a partappendectomy
Word Origin for -ectomy
from New Latin -ectomia, from Greek ek- out + -tomy
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
Medical definitions for -ectomy
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.