preoperation

Prior to an operation (military, surgical, or other).

Adjective

  1. Prior to an operation (military, surgical, or other).
    • They also broke promises to share a list of targets, and failed to attend a preoperation briefing, he added. - 2007 October 3, Nina Bernstein, “Raids Were a Shambles, Nassau Complains to U.S.”, in New York Times:

Origin

From pre- + operation.