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-ectomy

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-ectomy

a combining form meaning “excision” of the part specified by the initial element, used in the formation of compound words: tonsillectomy.

Origin:
< NL -ectomia. See ec-, -tomy
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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-ectomy  
suff.  Surgical removal: tonsillectomy.

[New Latin -ectomia : Greek ek-, out; see ecto- + -tomiā, -tomy.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

-ectomy 
"surgical removal," from Gk. -ektomia "a cutting out of," from ektemnein "to cut out," from ek "out" + temnein "to cut."
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

-ectomy suff.
Surgical removal: tonsillectomy.

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