Ma'anar ƙamus na pasteurization (wanda kuma aka rubuta pasteurisation) shine tsarin dumama ruwa (kamar madara, giya, ko giya) zuwa wani yanayi na musamman na wani ɗan lokaci don kashe ƙwayoyin cuta masu cutarwa da sauran ƙwayoyin cuta masu cutarwa. zai iya kasancewa. Sunan tsarin ne bayan masanin kimiyar Faransa Louis Pasteur, wanda ya kirkiro hanyar a karni na 19. Ana amfani da pasteurization don sanya abinci da abin sha mafi aminci don cinyewa ta hanyar rage haɗarin kamuwa da cuta da lalacewa.