Definition of coltan in English:

Share this entry

coltan

Pronunciation: /ˈkɒltan/

noun

[mass noun]
A dull metallic mineral which is a combination of columbite and tantalite and which is refined to produce tantalum.
Example sentences
  • Thousands of Grauer's mountain gorillas, chimpanzees and elephants have been slaughtered for food by illegal miners searching for coltan, a mineral containing metals like tantalum and niobium, used in cellphones and computers.
  • With the cell phone industry booming, the park's resources and wildlife are under massive strain from miners seeking colombo-tantalite, also known as coltan or tantalum.
  • But cell phones also include coltan, a mineral extracted in the deep forests of Congo in central Africa, home to the world's endangered lowland gorillas.

Origin

1990s: from columbite + tantalite.

For editors and proofreaders

Line breaks: col¦tan

Share this entry
 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.