Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A geologic process in which one edge of one crustal plate is forced below the edge of another.

from The Century Dictionary.

  • noun The act of subducting, taking away, or withdrawing.
  • noun Arithmetical subtraction.

from the GNU version of the Collaborative International Dictionary of English.

  • noun The act of subducting or taking away.
  • noun Arithmetical subtraction.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun The action of being pushed or drawn beneath another object.
  • noun The act of subducting or taking away.
  • noun Arithmetical subtraction.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a geological process in which one edge of a crustal plate is forced sideways and downward into the mantle below another plate

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[French, from Latin subductus, past participle of subdūcere, to draw away from below : sub-, sub- + dūcere, to lead; see deuk- in Indo-European roots.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

Latin subductio.

Examples

  • This blue line here, that's what we call the subduction zone, so that's kind of where the plates, one lays on top of the other.

    CNN Transcript Apr 14, 2008

  • The fault involved in the Fukushima Dai-ichi tsunami is part of what is known as a subduction zone.

    The Full Feed from HuffingtonPost.com

  • Tremors are common throughout Japan, and this one was near the Japan Trench, where the Pacific plate, the speediest of the earth's major slabs of crust, dives beneath the islands of Japan in what's called a subduction zone.

    Japan: The 'Big One' hit, but not where they thought it would

  • Tremors are common throughout Japan, and this one was near the Japan Trench, where the Pacific plate, the speediest of the earth's major slabs of crust, dives beneath the islands of Japan in what's called a subduction zone.

    Japan: The 'Big One' hit, but not where they thought it would

  • Sendai was a result of something far more dangerous: a so-called subduction zone, a deep-lying discontinuity caused by one plate slowly burying itself under another.

    Jeff Wise: Could a Sendai-Sized Quake Hit the US?

  • Most earthquakes that generate tsunamis - including Friday's jolt off Japan's eastern coast - occur in areas called subduction zones, where pieces of the Earth's crust press against each other.

    What Causes a Tsunami?

  • Sendai was a result of something far more dangerous: a so-called subduction zone, a deep-lying discontinuity caused by one plate slowly burying itself under another.

    Jeff Wise: Could a Sendai-Sized Quake Hit the US?

  • A tsunami happens when a crustal plate, a crust -- you know you talk about the plates on the earth -- they move all around -- when it's called subduction -- when one is going down and the other one is moving over it and all of a sudden it pops up.

    CNN Transcript Jan 12, 2010

  • The region where subduction takes place is called a subduction zone and usually results in a deep ocean trench such as the "Mariana Trench" in the western Pacific Ocean.

    AP Environmental Science Chapter 3- The Solid Earth

  • All of the rock types described above can be returned to the Earth's interior by tectonic forces at areas known as subduction zones.

    Rock cycle

Comments

Log in or sign up to get involved in the conversation. It's quick and easy.