subduction

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English[edit]

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Etymology[edit]

Latin subductio.

Pronunciation[edit]

  • (Received Pronunciation) IPA(key): /səbˈdʌkʃən/
    Diagram of the subduction of an oceanic plate going under a continental plate. The subduction zone is at the red circle, often where earthquakes occur.

Noun[edit]

subduction (countable and uncountable, plural subductions)

  1. The action of being pushed or drawn beneath another object.
    (geology) The process in which one tectonic plate moves beneath another and sinks into the mantle at a convergent plate boundary.
  2. The act of subducting or taking away.
    (Can we find and add a quotation of Bishop Hall to this entry?)
  3. Arithmetical subtraction.
    (Can we find and add a quotation of Sir M. Hale to this entry?)

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