A movement of data to the right or left, in a digital-computer location, usually with the loss of characters shifted beyond a boundary.

The relative displacement of the units affected by a fault but outside the fault zone itself.

The number of hours or the part of any day worked. Also known as tour.

To change the ratio of the driving to the driven gears to obtain the desired rotational speed or to avoid overloading and stalling an engine or a motor.

A casting defect caused by malalignment of the mold parts.

A small change in the position of a spectral line that is due to a corresponding change in frequency which, in turn, results from one or more of several causes, such as the Doppler effect.