fissure

noun
fis·​sure | \ ˈfi-shər How to pronounce fissure (audio) \

Definition of fissure

 (Entry 1 of 2)

1 : a narrow opening or crack of considerable length and depth usually occurring from some breaking or parting a fissure in the earth's crust
2a : a natural cleft between body parts or in the substance of an organ
b : a break or slit in tissue usually at the junction of skin and mucous membrane
3 : a separation or disagreement in thought or viewpoint : schism fissures in a political party

fissure

verb
fissured; fissuring

Definition of fissure (Entry 2 of 2)

transitive verb

: to break into fissures : cleave

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Synonyms for fissure

Synonyms: Noun

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Examples of fissure in a Sentence

Noun a fissure in the Earth's crust a deep fissure in the ice
Recent Examples on the Web: Noun The fringe was thickest in 1968, when the nation’s fissures included assassinations, riots and massive political unrest. Dave Shiflett, WSJ, "‘The Presidential Fringe’ Review: A Different Kind of Candidate," 2 Feb. 2020 Take, for example, the deep fissures found in Iceland’s volcanoes, which frequently line up with the pair of tectonic plates separating beneath the island country. National Geographic, "These lava lakes drained catastrophically—and scientists caught it in action," 27 Jan. 2020 The continued restiveness of the Taal volcano and several new fissures in the ground nearby likely mean magma is rising and may lead to further eruptive activity, the Philippine Institute of Volcanology and Seismology said. Joeal Calupitan, Anchorage Daily News, "Philippine volcano spews lava a half-mile high and coats towns in heavy ash," 14 Jan. 2020 Canada’s internal fissures would be difficult for a majority government to deal with, let alone a minority administration that must win support from smaller parties. The Economist, "After the election, can Justin Trudeau unite Canada?," 22 Oct. 2019 The fissures in the party over Brexit will likely be evident, though. Pan Pylas, San Diego Union-Tribune, "UK’s Labour Party in turmoil as vote to oust deputy ditched," 21 Sep. 2019 In the Leilani Estates Subdivision, fissure 7 was active for several hours on May 5 with large bubble bursts and spatter. Don Sweeney, sacbee, "Rivers of lava in Hawaii produce amazing photos — and a warning: Please don't die | The Sacramento Bee," 7 May 2018 In the frenzied atmosphere of the state funeral and fear of war, past fissures within the ruling regime, however faint before, have now completely disappeared. Abbas Milani, The New York Review of Books, "The Minimal Value of Trump’s ‘Maximum Pressure’ on Iran," 8 Jan. 2020 Meanwhile, Buttigieg, the surprise member of the top-tier, is grappling with issues of his own that expose another fissure between the moderate and progressive wings of the party. Arkansas Online, "Turbulence shakes Democrats going into final debate of 2019," 16 Dec. 2019 Recent Examples on the Web: Verb This land is made of igneous rock fissured with gold. Juliana Hanle, Scientific American, "The Fight for the Reindeer," 18 Nov. 2019 An early morning alert issued by the U.S. Geological Survey reported sporadic eruptions from three Kilauea volcano fissures shooting lava 180 feet into the air. Matthew Cappucci, Washington Post, "Fine, glass tendrils — Pele’s hair — are flying around Big Island after explosive eruption," 11 June 2018 Over the past week, the lava erupting from Hawaii’s Kilauea volcano fissures advanced through two small residential subdivisions along Kapoho Bay, reaching the Pacific Ocean, and wiping out nearly a hundred homes. Alan Taylor, The Atlantic, "Photo Updates From Kilauea: Dozens More Homes Destroyed," 6 June 2018 The trunk was fissured at the base, creating a seam wide enough to slip into—in other words, an absolutely perfect hiding place. David Gilbert, The New Yorker, "Fungus," 4 June 2017 This is far from the first time that fissures within the Republican party over immigration have been on public display. Chris Cillizza, CNN, "The biggest political story no one is talking about," 17 May 2018 About 100 million years ago, shifts in tectonic plates caused the region’s foundational limestone to begin to crack and fissure. Jennifer Billock, Smithsonian, "Descend into the World’s Iciest Gateway to Hell," 30 Aug. 2017 Congressional Republicans return to work Monday after the Memorial Day recess facing enormous pressure to make progress on replacing the Affordable Care Act — a years-long campaign promise — but also fissures within the party about how to do so. John Fritze, baltimoresun.com, "Maryland advocates resist efforts to target Medicaid in federal funding fights," 3 June 2017 The lodge’s eight-week season begins in June, just as the pack ice that blankets the Northwest Passage begins to fissure and melt. Ashlea Halpern, WIRED, "Need a Memorial Day to Remember? Ice-Bike the Northwest Passage," 24 May 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'fissure.' 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 fissure

Noun

14th century, in the meaning defined at sense 1

Verb

1656, in the meaning defined at transitive sense

History and Etymology for fissure

Noun

Middle English, borrowed from Middle French & Latin; Middle French fissure, borrowed from Latin fissūra "splitting, crack, opening," from fissus, past participle of findere "to split, cleave" + -ūra -ure — more at bite entry 1

Verb

derivative of fissure entry 1

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Time Traveler for fissure

Time Traveler

The first known use of fissure was in the 14th century

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Statistics for fissure

Last Updated

13 Feb 2020

Cite this Entry

“Fissure.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fissure. Accessed 26 Feb. 2020.

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More Definitions for fissure

fissure

noun
How to pronounce fissure (audio)

English Language Learners Definition of fissure

: a narrow opening or crack

fissure

noun
fis·​sure | \ ˈfi-shər How to pronounce fissure (audio) \

Kids Definition of fissure

: a narrow opening or crack

fissure

noun
fis·​sure | \ ˈfish-ər, British also ˈfish-yu̇r How to pronounce fissure (audio) \

Medical Definition of fissure

1 : a natural cleft between body parts or in the substance of an organ: as
a : any of several clefts separating the lobes of the liver
b : any of various clefts between bones or parts of bones in the skull
c : any of the deep clefts of the brain especially : one of those located at points of elevation in the walls of the ventricles — compare sulcus
2 : a break or slit in tissue usually at the junction of skin and mucous membrane fissure of the lip
3 : a linear developmental imperfection in the enamel of a tooth

Other Words from fissure

fissured \ ˈfish-​ərd, British also ˈfish-​yu̇rd How to pronounce fissured (audio) \ adjective

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More from Merriam-Webster on fissure

Thesaurus: All synonyms and antonyms for fissure

Rhyming Dictionary: Words that rhyme with fissure

Spanish Central: Translation of fissure

Nglish: Translation of fissure for Spanish Speakers

Britannica English: Translation of fissure for Arabic Speakers

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