n14672373
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<synset id="n14672373" type="n"> <lex_filenum>27<lex_filenum/> <word lex_id="0">columbite-tantalite<word/> <word lex_id="0">coltan<word/> <pointer refs="n14662574">Hypernym<pointer/> <def>a valuable black mineral combining niobite and tantalite<def/> <def>used in cell phones and computer chips<def/> <synset/>