Definition of "recipromatic"

The recipromatic Bucky differs from the manually cocked Bucky in that the grid travels in both directions across the table during the exposure.

1960, Charles A. Jacobi, Donald E. Hagen, X-ray Technology, page 74

There are two major types of bucky assemblies: reciprocating and recipromatic. The difference is that the reciprocating bucky moves at two different speeds during the exposure […]

2003, Stephen S. Hiss, Understanding Radiography, 4th edition, page 274