SUBDUCTION
Scrabble letter values: S1U1B3D2U1C3T1I1O1N1 = 15
Definition
- noun a geological process in which one edge of a crustal plate is forced sideways and downward into the mantle below another plate.
Scrabble letter values: S1U1B3D2U1C3T1I1O1N1 = 15