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

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Examples of dissection in a Sentence

the book's dissection of the problem of obesity in this country
Recent Examples on the Web An aortic dissection is when there is a tear in the inner layer of the aorta, a condition that most frequently occurs in men in their 60s and 70s, the Mayo Clinic website said. Doha Madani, NBC News, "JP Morgan Chase CEO Jamie Dimon recovering from emergency heart surgery," 6 Mar. 2020 Aortic dissection is relatively uncommon, primarily striking men in their 60s and 70s, according to the Mayo Clinic. Michelle F. Davis / Bloomberg, Time, "JPMorgan CEO Jamie Dimon Undergoes Emergency Heart Surgery," 5 Mar. 2020 Their relationship is an extended dissection of how children unwittingly wound their parents a thousand times a day, and vice versa. David Sims, The Atlantic, "The 10 Best Movie Scenes of the 2010s," 31 Dec. 2019 What is more, many countries still face a shortage of donations and rely on unclaimed bodies for dissection, according to a 2018 study. Bahar Gholipour, Scientific American, "Med School without Cadavers?," 1 Oct. 2019 This highly influential dissection of Nazism by the Australian historian Stephen H. Roberts is far from an error-free history of the Third Reich’s early years. Tim Bouverie, WSJ, "Five Best: Tim Bouverie on the British Appeasement of Adolf Hitler," 28 June 2019 Brilliant forensic dissection by @maitlis - desperate, toe-curling bullsh*t from Prince Andrew. Alex Ritman, The Hollywood Reporter, "Prince Andrew Under Fire After "Desperate, Toe-Curling" TV Interview About Jeffrey Epstein Links," 16 Nov. 2019 Among the more composed were his dissections of Thomas Hardy’s poetry, Edwardian novels and the work of W.H. Auden and his contemporaries. Sam Roberts, New York Times, "Samuel Hynes, Professor Whose Books Taught Lessons of War, Dies at 95," 18 Oct. 2019 News analysis is a second-order pseudo-event, not an event per se but the dissection of pseudo-events: that is, theater criticism. Greg Jackson, Harper's magazine, "Vicious Cycles," 6 Jan. 2020

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.

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First Known Use of dissection

1578, in the meaning defined at sense 1

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Time Traveler for dissection

Time Traveler

The first known use of dissection was in 1578

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Statistics for dissection

Last Updated

30 Mar 2020

Cite this Entry

“Dissection.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dissection. Accessed 8 Apr. 2020.

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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

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