carbon Carbon is a chemical element that diamonds and coal are made up of. n-uncount
carbon copy (carbon copies plural )
1 n-count If you say that one person or thing is a carbon copyof another, you mean that they look or behave exactly like them.
usu N of n
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.
carbon credit (carbon credits plural )Carbon credits are an allowance that certain companies have, permitting them to burn a certain amount of fossil fuels. n-count usu pl
By investing in efficient plant it could generate lots of valuable carbon credits to sell to wealthier, more wasteful nations.
carbon dating
Carbon dating is a system of calculating the age of a very old object by measuring the amount of radioactive carbon it contains. n-uncount
carbon dioxide
Carbon dioxide is a gas. It is produced by animals and people breathing out, and by chemical reactions. n-uncount
carbon monoxide
Carbon monoxide is a poisonous gas that is produced especially by the engines of vehicles. n-uncount
carbon paper
Carbon paper is thin paper with a dark substance on one side. You use it to make copies of letters, bills, and other papers. n-uncount
The drawing is transferred onto the wood by means of carbon paper.
carbon tax (carbon taxes plural )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. n-count
