subduction

noun
sub·​duc·​tion | \ (ˌ)səb-ˈdək-shən How to pronounce subduction (audio) \

Definition of subduction

: the action or process in plate tectonics of the edge of one crustal plate descending below the edge of another

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Other Words from subduction

subduct \ (ˌ)səb-​ˈdəkt How to pronounce subduct (audio) \ verb

Examples of subduction in a Sentence

Recent Examples on the Web

When those plates collide and one slides beneath the other, water gets pulled into the subduction zone. Jill Kiedaisch, Popular Mechanics, "Earth’s Crust Is Swallowing Way More Ocean Than We Thought," 15 Nov. 2018 Most places where the Earth erupts are at subduction zones, where one tectonic plate is thrust beneath another. Author: Scott Wilson, Sarah Kaplan, Anchorage Daily News, "As Kilauea erupts, volcanologists swarm: ‘I expect great science from this event’," 24 May 2018 In subduction zones, or the area where two tectonic plates collide, GPS measurements have shown that fault lines can move without causing seismic activity. Matt Blitz, Popular Mechanics, "How GPS Changed the Way We Think About Our Planet," 18 Apr. 2017 At plate boundaries in the ocean, subduction moves water into the mantle, lowering the melting point of rock underneath the edges of continental plates. Umair Irfan, Vox, "Volcanoes are awe-inspiring. Here are 7 things to know about them.," 11 May 2018 These volcanoes sit on the western edge of the Caribbean tectonic plate, along an active subduction zone. Laura Geggel, Scientific American, "Lava and Ash from Fuego Volcano Kills 33 in Guatemala," 4 June 2018 The region is the location of most of Earth's subduction zones, where oceanic plates slide under the lighter continental plates. Travis Fedschun, Fox News, "California fault line is 'tectonic time bomb' for disastrous earthquake, researchers say," 22 Apr. 2018 In subduction, one large section of the earth — a plate — slides slowly under another, as the earth’s surface recycles itself over geologic time. Henry Fountain, New York Times, "For Tsunami Forecasters, Speed Is Everything," 23 Jan. 2018 The region is the location of most of Earth's subduction zones, where oceanic plates slide under the lighter continental plates. Travis Fedschun, Fox News, "California fault line is 'tectonic time bomb' for disastrous earthquake, researchers say," 22 Apr. 2018

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

1970, in the meaning defined above

History and Etymology for subduction

French, from Late Latin subduction-, subductio withdrawal, from Latin subducere to withdraw, from sub- + ducere to draw — more at tow entry 1

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Dictionary Entries near subduction

subdrill

subduable

subdual

subduction

subdue

subdued

subduedness

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Time Traveler for subduction

The first known use of subduction was in 1970

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More from Merriam-Webster on subduction

Nglish: Translation of subduction for Spanish Speakers

Britannica.com: Encyclopedia article about subduction

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