Home › Words › R › redisinfectredisinfectredisinfect means to disinfect again.EtymologyFrom re- + disinfect. Attested since the 19th century.verbTo disinfect again.e.g.“In this case we must employ two surgeons, or else the single one must thoroughly redisinfect his hands and arms in the manner already described before opening the abdomen.” — 1895, Annals of Surgery, volume 22, page 469:Definitions & examples from Wiktionary (CC BY-SA 3.0).