noun, plural sympathectomies. Medicine/Medical.
surgery that interrupts a nerve pathway of the sympathetic or involuntary nervous system.
Also called chemical sympathectomy. a like interruption by chemical means.

1895–1900; sympath(etic) + -ectomy Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
sympathectomy (ˌsɪmpəˈθɛktəmɪ)
n , pl -mies
the surgical excision or chemical destruction (chemical sympathectomy) of one or more parts of the sympathetic nervous system
[C20: from sympathetic + -ectomy]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Medical Dictionary

sympathectomy sym·pa·thec·to·my (sĭm'pə-thěk'tə-mē) or sym·pa·the·tec·to·my (sĭm'pə-thě-těk'tə-mē)
Surgical removal of a part of the sympathetic nervous system.

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