Search the dictionary A Chinese word or character, or English Search 5 entries. zìyóujī 自由基 free radical qiǎngzìyóujī 羟自由基 hydroxyl radical zìyóujīqīngchújì 自由基清除剂 radical scavenger (chemistry) qiǎngzìyóujī 羥自由基 hydroxyl radical zìyóujīqīngchújì 自由基清除劑 radical scavenger (chemistry)