Definition of peroperative in English:

peroperative

Pronunciation /pərˈɒp(ə)rətɪv/

adjective

Surgery
  • Given, performed, or occurring during the course of an operation.

Origin

1950s; earliest use found in Annals of the New York Academy of Science. From per- + operative. Compare French per-opératoire. Compare earlier postoperative, preoperative.