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preantiseptic

American  
[pree-an-tuh-sep-tik] / ˌpri æn təˈsɛp tɪk /

adjective

Medicine/Medical.
  1. (especially of surgery) noting that period of time before the adoption of the principles of antisepsis (about 1867).


Etymology

Origin of preantiseptic

pre- + antiseptic