'Subduction' definitions:
Definition of 'subduction'
From: WordNet
noun
A geological process in which one edge of a crustal plate is forced sideways and downward into the mantle below another plate
Definition of 'Subduction'
From: GCIDE
- Subduction \Sub*duc"tion\, n. [L. subductio.]
- 1. The act of subducting or taking away. --Bp. Hall. [1913 Webster]
- 2. Arithmetical subtraction. --Sir M. Hale. [1913 Webster]