dis·​sec·​tion | \ dī-ˈsek-shən How to pronounce dissection (audio) also di- How to pronounce dissection (audio) , ˈdī-ˌsek- How to pronounce dissection (audio) \

Definition of dissection

1 : the act or process of dissecting : the state of being dissected
2 : an anatomical specimen prepared by dissecting

Keep scrolling for more

Examples of dissection in a Sentence

the book's dissection of the problem of obesity in this country

Recent Examples on the Web

The tour includes dissection rooms and specimen collections. Chris Erskine, latimes.com, "Geek out with your grad at these high-minded museums and events," 30 May 2018 Initially, the flow was weak, and another neurosurgeon, eyeing the monitor, suggested a bit more dissection to loosen the recipient artery. Denise Grady, New York Times, "Brain Surgery in 3-D: Coming Soon to the Operating Theater," 8 Jan. 2018 Jonathan Larson, the composer and playwright of the musical, sadly passed away following an aortic dissection in the early morning on January 25, 1996—the very day Rent was set to open in previews Off-Broadway. Amanda Mitchell, Marie Claire, "'Rent' Composer Jonathan Larson's Legacy Lives On," 25 Jan. 2019 A few of the other standout classes include a vet camp, which allows 10- and 11-year-olds to use medical tools such as microscopes and dissection equipment, and the night crawlers camp, which is an overnight zoo camp. Amy Schwabe, Milwaukee Journal Sentinel, "Milwaukee County Zoo brings back dinosaur summer camps to celebrate returning Jurassic exhibit," 26 Mar. 2018 On some occasions, the king even took part in the dissections. Maude Campbell, Popular Mechanics, "The Complete History of the Autopsy," 26 Dec. 2018 The entire episode is one long monologue, a raw, brutally honest dissection of their twisted relationship. Jennifer Ouellette, Ars Technica, "TV Technica 2018: Our favorite shows and binges," 24 Dec. 2018 In addition to Ellis’ own thoughtful dissection of creator culture, the video also includes a guest appearance from VidCon co-creator Hank Green. Megan Farokhmanesh, The Verge, "All hail bongo cat," 14 Sep. 2018 The heart-attack study found that 15% of the incidents involved spontaneous coronary artery dissection, or SCAD: A tear forms in a blood vessel in the heart, causing a heart attack. Sumathi Reddy, WSJ, "A Troubling Rise in Pregnancy-Related Heart Problems," 13 Aug. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'dissection.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of dissection

1578, in the meaning defined at sense 1

Keep scrolling for more

Learn More about dissection

Statistics for dissection

Last Updated

28 Apr 2019

Look-up Popularity

Time Traveler for dissection

The first known use of dissection was in 1578

See more words from the same year

Keep scrolling for more

More Definitions for dissection


dis·​sec·​tion | \ di-ˈsek-shən How to pronounce dissection (audio) \

Kids Definition of dissection

: the act of cutting something or taking something apart for examination


dis·​sec·​tion | \ dis-ˈek-shən; dī-ˈsek- How to pronounce dissection (audio) , ˈdī-ˌ How to pronounce dissection (audio) \

Medical Definition of dissection

1 : the act or process of dissecting or separating: as
a : the surgical removal along natural lines of cleavage of tissues which are or might become diseased
b : the digital separation of tissues (as in heart-valve operations) — compare finger fracture
c : a pathological splitting or separation of tissue — see aortic dissection
2a : something (as a part or the whole of an animal) that has been dissected
b : an anatomical specimen prepared in this way

Keep scrolling for more

Comments on dissection

What made you want to look up dissection? Please tell us where you read or heard it (including the quote, if possible).


something valued as if it were money

Get Word of the Day daily email!

Test Your Vocabulary

Time Traveler Quiz: Which Word Came First?

  • time traveler quiz which word came first
  • Which came first?
True or False

Test your knowledge - and maybe learn something along the way.

Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!