DICT.TW Dictionary Taiwan
18.191.62.68
Search for:
▼[Show options]
[Pronunciation] [Help] [Database Info] [Server Info]

1 definition found

From: WordNet (r) 2.0

 coltan
      n : a valuable black mineral combining niobite and tantalite;
          used in cell phones and computer chips [syn: columbite-tantalite]