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neo-Melanesian
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neodymium

ne·o·dym·i·um [ n ō dímmee əm ]


noun 
Definition:
 
metallic element: a silvery-white or yellowish metallic element that is one of the lanthanide series of rare-earth elements. Source: monazite, bastnaesite. Use: lasers, glass manufacture.
Symbol  Nd


[Late 19th century. <neo- + didymium]
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