carbon

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♦ car|bon /k'ɑːrbən/
[N-UNCOUNT]
Carbon is a chemical element that diamonds and coal are made up of.car|bon copy (carbon copies)
1 [N-COUNT] usu N of n
If you say that one person or thing is a carbon copy of another, you mean that they look or behave exactly like them.
She's a carbon copy of her mother...
2 [N-COUNT]
A carbon copy is a copy of a piece of writing that is made using carbon paper.car|bon cred|it (carbon credits)
[N-COUNT] usu pl
Carbon credits are an allowance that certain companies have, permitting them to burn a certain amount of fossil fuels.
By investing in efficient plant it could generate lots of valuable carbon credits to sell to wealthier, more wasteful nations.car|bon da|ting
[N-UNCOUNT]
Carbon dating is a system of calculating the age of a very old object by measuring the amount of radioactive carbon it contains.car|bon di|ox|ide
[N-UNCOUNT]
Carbon dioxide is a gas. It is produced by animals and people breathing out, and by chemical reactions.car|bon mon|ox|ide
[N-UNCOUNT]
Carbon monoxide is a poisonous gas that is produced especially by the engines of vehicles.car|bon pa|per
[N-UNCOUNT]
Carbon paper is thin paper with a dark substance on one side. You use it to make copies of letters, bills, and other papers.
The drawing is transferred onto the wood by means of carbon paper.car|bon tax (carbon taxes)
[N-COUNT]
A carbon tax is a tax on the burning of fuels such as coal, gas, and oil. Its aim is to reduce the amount of carbon dioxide released into the atmosphere.

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