DICT.TW Dictionary Taiwan

 free radical 名詞
 自由基,游離基

 free radical
      n : an atom or group of atoms with at least one unpaired
          electron; in the body it is usually an oxygen molecule
          than has lost an electron and will stabilize itself by
          stealing an electron from a nearby molecule; "in the body
          free radicals are high-energy particles that ricochet
          wildly and damage cells" [syn: radical]