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2 definitions found

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

 rare earth /ˌrɛrˈɝθ/ 名詞
 稀土(元素)

From: WordNet (r) 2.0

 rare earth
      n : any element of the lanthanide series (atomic numbers 57
          through 71) [syn: rare-earth element, lanthanoid, lanthanide,
           lanthanon]