subduction

subduction
/seuhb duk"sheuhn/, n.
1. an act or instance of subducting; subtraction or withdrawal.
2. Geol. the process by which collision of the earth's crustal plates results in one plate's being drawn down or overridden by another, localized along the juncture (subduction zone) of two plates.
[1570-80; < L subduction-, s. of subductio pulling up, computation; see SUBDUCT, -ION]

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Universalium. 2010.

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  • SUBDUCTION — La subduction peut être définie comme la plongée d’une plaque de lithosphère océanique sous une autre plaque lithosphérique, jusqu’à une profondeur de 700 kilomètres, au delà de laquelle elle est recyclée dans le manteau. Cette plongée est… …   Encyclopédie Universelle

  • Subduction — Sub*duc tion, n. [L. subductio.] 1. The act of subducting or taking away. Bp. Hall. [1913 Webster] 2. Arithmetical subtraction. Sir M. Hale. [1913 Webster] …   The Collaborative International Dictionary of English

  • Subduction — (v. lat.), 1) Entziehung, Abführung durch gelinde Mittel; 2) (Ehem.), so v.w. Filtriren …   Pierer's Universal-Lexikon

  • subduction — index curtailment, decrease, deduction (diminution) Burton s Legal Thesaurus. William C. Burton. 2006 …   Law dictionary

  • subduction — (n.) early 15c., withdrawal, removal (originally of noxious substances from the body), from L. subductionem (nom. subductio), noun of action from pp. stem of subducere (see SUBDUCE (Cf. subduce)). Geological sense is attested from 1970, from… …   Etymology dictionary

  • subduction — [səb duk′shən] n. a process of pulling something down; esp., a) the muscular action needed to aim an eye downward b) Geol. the sinking of one crustal plate under another as they collide subduct [subdukt′] vt., vi …   English World dictionary

  • Subduction — Schéma simplifié d une zone de subduction La subduction est le processus d enfoncement d une plaque tectonique dans le manteau. La plaque qui plonge en subduction est en général une plaque océanique. Elle peut plonger sous une plaque continentale …   Wikipédia en Français

  • Subduction — In geology, a subduction zone is an area on Earth where two tectonic plates meet and move towards one another, with one sliding underneath the other and moving down into the mantle, at rates typically measured in centimeters per year. An oceanic… …   Wikipedia

  • subduction — noun Etymology: French, from Late Latin subduction , subductio withdrawal, from Latin subducere to withdraw, from sub + ducere to draw more at tow Date: 1970 the action or process in plate tectonics of the edge of one crustal plate descending… …   New Collegiate Dictionary

  • subduction — sub•duc•tion [[t]səbˈdʌk ʃən[/t]] n. gel the process by which collision of the earth s crustal plates results in one plate s being drawn down or overridden by another, localized along the juncture(subduc′tion zone )of two plates • Etymology:… …   From formal English to slang

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