dis·sec·tion

[dih-sek-shuhn, dahy-]
noun
1.
the act of dissecting.
2.
something that has been dissected.
3.
a detailed, part-by-part analysis.

Origin:
1575–85; < Latin dissectiōn- (stem of dissectiō), equivalent to dissect- (see dissect) + -iōn- -ion

re·dis·sec·tion, noun
self-dis·sec·tion, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source Link To dissection
00:10
Dissection is always a great word to know.
So is bezoar. Does it mean:
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
a stew of meat, vegetables, potatoes, etc.
Collins
World English Dictionary
dissect (dɪˈsɛkt, daɪ-) [Click for IPA pronunciation guide]
 
vb
1.  to cut open and examine the structure of (a dead animal or plant)
2.  (tr) to examine critically and minutely
 
[C17: from Latin dissecāre, from dis-1 + secāre to cut]
 
dis'sectible
 
adj
 
dis'section
 
n
 
dis'sector
 
n

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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Etymonline
Word Origin & History

dissection
1580s, introduced by Francis Bacon, from M.Fr. dissection, from M.L. dissectionem, from stem of L. dissecare "cut in pieces," from dis- "apart" + secare "to cut" (see section).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

dissection dis·sec·tion (dĭ-sěk'shən, dī-)
n.

  1. The act or an instance of dissecting.

  2. Something that has been dissected, such as a tissue specimen under study.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences
No surprise, then, that the dissection of the human body attracts so many
  attempts at explication.
For one body, for example, scanning revealed a lethal stroke that dissection
  missed.
It's more an instinctive longing that won't stand dissection.
The book shifts halfway through into a lower gear and becomes a fragmented and
  partial dissection of a career.
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