• synonyms


[ri-sek-shuh n]
See more synonyms for resection on Thesaurus.com
  1. Surveying. a technique of ascertaining the location of a point by taking bearings from the point on two other points of known location.
  2. Surgery. the excision of all or part of an organ or tissue.
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Origin of resection

1605–15; < Latin resectiōn- (stem of resectiō) a cutting off, trimming, equivalent to resect(us) (see resect) + -iōn- -ion
Related formsre·sec·tion·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words

section, incision, resection, enucleation, abscission, distribute, allot, divide, reallocate, redistrict

Examples from the Web for resection

Historical Examples

  • As yet, it is too soon to express a positive opinion as to the value of resection of gastric cancer.

    A System of Practical Medicine By American Authors, Vol. II


  • This is considered to be justification enough for the removal of the ovaries or at least for their resection.


    James J. Walsh

  • At ten I assist my seniors during two amputations and a resection.

  • It soon became obvious that resection of the spinal accessory was insufficient.

  • If the blood supply after the resection is evidently to be poor, resection is useless.

British Dictionary definitions for resection


  1. surgery excision of part of a bone, organ, or other part
  2. surveying a method of fixing the position of a point by making angular observations to three fixed points
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Derived Formsresectional, 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

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.

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Online Etymology Dictionary, © 2010 Douglas Harper

resection in Medicine


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

resection in Science


  1. 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.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.