过氧化 Traditional form: 過氧化 Pinyin (reading): guòyǎnghuà Definitions: peroxide Characters: 过 - pass; to go across, to pass through 氧 - oxygen 化 - to change, to convert, to reform; -ize Traditional characters: 過 - pass; to go across, to pass through 氧 - oxygen 化 - to change, to convert, to reform; -ize