Dictionary
Find
in
Dictionary
Thesaurus
Translations

Click to move up the list of words
Columba
columbarium
Columbia
Columbia Heights
Columbia Plateau
Columbian
columbine (1)
columbine (2)
columbite
columbium
Columbus
Columbus Day
columella
column
column inch
columnar jointing
columnea
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

coltan

col·tan [ kól tàn ]


noun 
Definition:
 
source of tantalum: a metallic ore in the form of black sand that occurs mainly in eastern Democratic Republic of the Congo. Use: source of tantalum for the capacitors used in electronic devices such as cell phones and laptop computers.

[Late 20th century. <columbite + tantalite]
Advertisement

© 2009 Microsoft