[ 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 forms

ex·ci·sion·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for excision

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.