Subduct - definition of subduct by The Free Dictionary
Also found in: Thesaurus
A geologic process in which one edge of one crustal plate is forced below the edge of another.
[French, from Latin subductus
, past participle of subdūcere
, to draw away from below
, to lead
; see deuk-
in Indo-European roots
sub·duc′tal (-təl) adj.
1. (Physiology) physiol to draw or turn (the eye, etc) downwards
2. rare to take away; deduct
[C17: from Latin subdūcere, from sub- + dūcere to lead, bring]
1. to cause the subduction of.
2. Archaic. to take away. v.i.
3. to undergo subduction.
[1565–75; < Latin subductus,
past participle of subdūcere
to draw up, withdraw =sub- sub
- + dūcere
Past participle: subducted
References in periodicals archive
These plates, composed of a combination of the upper mantle and surface crust, inevitably collide with and subduct
(slide and sink) under other plates.
Here, the North and South America plates subduct
towards the west beneath the Caribbean plate along the Lesser Antilles Trench at rates of approximately 20 mm/yr.
As the plates subduct
they tend to lock with the overriding plate, thereby building up tectonic strain.
Next the researchers simulated how plates might subduct
at various mantle temperatures.
Another frightening unknown involves "asperities" - parts of the plates that don't subduct