Definition of coltan in English:

coltan

nounˈkɒltanˈkältan

mass noun

A dull metallic mineral which is a combination of columbite and tantalite and which is refined to produce tantalum.
钶钽铁矿
Example sentencesExamples
- 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.
- 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.
- As well as gold and diamonds, the region is a source of the rare mineral coltan used in mobile phones.
- 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.
- Congo is one of the world's greatest sources of the mineral coltan.

Origin

1990s: from columbite + tantalite.

Definition of coltan in US English:

coltan

nounˈkältan

A dull metallic mineral composed of columbite and tantalite, and refined to produce tantalum.
钶钽铁矿
Example sentencesExamples
- Congo is one of the world's greatest sources of the mineral coltan.
- 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.
- 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.
- As well as gold and diamonds, the region is a source of the rare mineral coltan used in mobile phones.

Origin

1990s: from columbite + tantalite.

词汇	coltan
释义	Definition of coltan in English: coltan nounˈkɒltanˈkältan mass noun A dull metallic mineral which is a combination of columbite and tantalite and which is refined to produce tantalum. 钶钽铁矿 Example sentencesExamples 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. 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. As well as gold and diamonds, the region is a source of the rare mineral coltan used in mobile phones. 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. Congo is one of the world's greatest sources of the mineral coltan. Origin 1990s: from columbite + tantalite. Definition of coltan in US English: coltan nounˈkältan A dull metallic mineral composed of columbite and tantalite, and refined to produce tantalum. 钶钽铁矿 Example sentencesExamples Congo is one of the world's greatest sources of the mineral coltan. 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. 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. As well as gold and diamonds, the region is a source of the rare mineral coltan used in mobile phones. Origin 1990s: from columbite + tantalite.
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