subduction

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English[edit]

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Etymology[edit]

Latin subductio.

Pronunciation[edit]

Diagram of tectonic plate subduction in the Pacific Northwest region of North America.

Noun[edit]

subduction (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?)

Derived terms[edit]

See also[edit]