Dictionary:Displacement

{{#category_index:D|displacement}} 1. The distance a particle is removed from its equilibrium position, as in the ground motion associated with a seismic wave. 2. Relative movement of the two sides of a fault. 3. The amount by which refraction data are displaced horizontally from the geophone positions to indicate where the head-wave energy presumably left the refractor. Sometimes called offset or transplacement. See Figure O-1. 4. See displacement current.