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2 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 PU
 物理部件,物理單元

From: WordNet (r) 2.0

 Pu
      n : a solid silvery gray radioactive transuranic element  whose
          atoms can be split when bombarded with neutrons; found in
          minute quantities in uranium ores but is usually
          synthesized in nuclear reactors; 13 isotopes are known
          with the most important being plutonium 239 [syn: plutonium,
           atomic number 94]