subduction
noun
sub·duc·tion (ˌ)səb-ˈdək-shən 
: the action or process in plate tectonics of the edge of one crustal plate descending below the edge of another
subduct
(ˌ)səb-ˈdəkt
verb 
Example Sentences
Recent Examples on the Web The problem is that there are so few seafloor seismometers to collect data in subduction zones. 
Jeffrey Marlow, The New Yorker, 26 July 2022 This is especially true at subduction faults under the ocean, which require special seafloor monitoring rather than GPS. Stephanie Pappas, Scientific American, 26 May 2021 The expected subduction would cause the entire area to abruptly sink up to seven feet; the shaking could cause liquefaction of sandy soils before the tsunami reached shore. New York Times, 7 Feb. 2022 Beneath the Cascade Volcanic Province, a dense oceanic plate sinks beneath the North American Plate; a process known as subduction. David Bressan, Forbes, 18 May 2021 The Pacific Ocean, for its part, is full of subduction zones, or places where oceanic plates are sinking down into continental plates and then into Earth’s mantle. Stav Dimitropoulos, Popular Mechanics, 25 May 2022 The problem is the Cascadia subduction zone, or CSZ. Bruce Barcott, Outside Online, 25 Aug. 2011 The study estimated that a major earthquake along the Cascadia subduction zone would result in 95 million to 194 million gallons (432 million to 882 million liters) of fuels gushing from the tanks. Andrew Selsky, ajc, 9 Feb. 2022 The Blanco zone is much farther west of the more concerning Cascadia subduction zone and rarely leads to destructive quakes, according to earthquake experts. oregonlive, 15 Dec. 2021 See More
Jeffrey Marlow, The New Yorker, 26 July 2022 This is especially true at subduction faults under the ocean, which require special seafloor monitoring rather than GPS. Stephanie Pappas, Scientific American, 26 May 2021 The expected subduction would cause the entire area to abruptly sink up to seven feet; the shaking could cause liquefaction of sandy soils before the tsunami reached shore. New York Times, 7 Feb. 2022 Beneath the Cascade Volcanic Province, a dense oceanic plate sinks beneath the North American Plate; a process known as subduction. David Bressan, Forbes, 18 May 2021 The Pacific Ocean, for its part, is full of subduction zones, or places where oceanic plates are sinking down into continental plates and then into Earth’s mantle. Stav Dimitropoulos, Popular Mechanics, 25 May 2022 The problem is the Cascadia subduction zone, or CSZ. Bruce Barcott, Outside Online, 25 Aug. 2011 The study estimated that a major earthquake along the Cascadia subduction zone would result in 95 million to 194 million gallons (432 million to 882 million liters) of fuels gushing from the tanks. Andrew Selsky, ajc, 9 Feb. 2022 The Blanco zone is much farther west of the more concerning Cascadia subduction zone and rarely leads to destructive quakes, according to earthquake experts. oregonlive, 15 Dec. 2021 See More Word History
Etymology
French, from Late Latin subduction-, subductio withdrawal, from Latin subducere to withdraw, from sub- + ducere to draw — more at tow entry 1
First Known Use
1970, in the meaning defined above
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