subduction

/sษ™bหˆdสŒkสƒษ™n/

IPA: /S AH0 B D AH1 K SH AH0 N/

noun
  1. 1

    The action of being pushed or drawn beneath another object.

  2. 2

    The process of one tectonic plate moving beneath another and sinking into the mantle at a convergent plate boundary.

  3. 3

    The act of subducting or taking away.

  4. 4

    Arithmetical subtraction.

  5. 5

    A surjection between diffeological spaces such that the target is identified as the pushforward of the source.

Source: https://en.wiktionary.org/wiki/subduction