[ dih-sek-shuh n, dahy- ]
/ dɪˈsɛk ʃən, daɪ- /


the act of dissecting.
something that has been dissected.
a detailed, part-by-part analysis.

Origin of dissection

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

Related forms

re·dis·sec·tion, nounself-dis·sec·tion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for dissection

Medicine definitions for dissection


[ dĭ-sĕkshən, dī- ]


The act or an instance of dissecting.
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.