[ ek-sizh-uh n, ik- ]
/ ɛkˈsɪʒ ən, ɪk- /


the act of removal; an excising.
Surgery. the surgical removal of a foreign body or of tissue.

Origin of excision

1480–90; < Latin excīsiōn- (stem of excīsiō) a cutting out. See excise2, -ion
Related formsex·ci·sion·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for excision

Word Origin and History for excision



late 15c., from Middle French excision (14c.) and directly from Latin excisionem (nominative excisio), noun of action from past participle stem of excidere (see excise (v.)).

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for excision


[ ĭk-sĭzhən ]


Surgical removal by cutting, as of a tumor or a portion of a structure or organ.exsection
A recombination event in which a genetic element is removed.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.