Ma'anar ƙamus na kalmar "oxidize" shine haɗawa da oxygen ko sa wani abu ya haɗu da oxygen. Yana nufin halayen sinadarai wanda abu ya rasa electrons ko ƙara yanayin oxidation. Wannan tsari yawanci ya ƙunshi ƙara iskar oxygen zuwa wani abu ko cire hydrogen daga gare ta. Oxidation yakan haifar da samuwar oxides ko wasu mahadi tare da mafi girman jihohin oxidation.
