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3 definitions found

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

 atomic number
 原子序數

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 atomic num·ber /-ˈnəmbɚ/ 名詞
 原子序數的符號

From: WordNet (r) 2.0

 atomic number
      n : the order of an element in Mendeleyev's table of the
          elements; equal to the number of protons in the nucleus
          or electrons in the neutral state of an atom of an
          element