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[ri-sek-shuh n] /rɪˈsɛk ʃən/
Surveying. a technique of ascertaining the location of a point by taking bearings from the point on two other points of known location.
Surgery. the excision of all or part of an organ or tissue.
Origin of resection
1605-15; < Latin resectiōn- (stem of resectiō) a cutting off, trimming, equivalent to resect(us) (see resect) + -iōn- -ion
Related forms
resectional, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for resection


(surgery) excision of part of a bone, organ, or other part
(surveying) a method of fixing the position of a point by making angular observations to three fixed points
Derived Forms
resectional, adjective
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
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Word Origin and History for resection

1610s, from Latin resectionem (moninative resectio), noun of action from past participle stem of resecare "cut off, cut loose" (see resect). Surgical sense is from 1775.

Online Etymology Dictionary, © 2010 Douglas Harper
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resection in Medicine

resection re·sec·tion (rĭ-sěk'shən)

  1. Surgical removal of part of an organ or a structure.

  2. Removal of the articular ends of one or both bones forming a joint.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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resection in Science
Surgical removal of all or part of an organ, tissue, or structure. A wedge resection is removal of a piece of tissue that is triangularly shaped.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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