Definitions for "Subduction"
The sinking of an oceanic plate beneath an overriding plate; occurs at convergent plate boundaries.
The process of dragging a tectonic plate back into the depths of the earth.
descent of an edge of a lithospheric plate beneath the edge of the adjoining plate
Arithmetical subtraction.
Keywords:  taking, act
The act of subducting or taking away.
11.656.5 up Taking away
Keywords:  quantity, reduce
To reduce in quantity (to subduct)