Subduction

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [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]



From WordNet (r) 2.0 [wn]:

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