carbon
/ˈkɑrbən/
noun
- A chemical element that is found in all living things, coal, and diamonds, and is a basic building block of life.
- All organic molecules contain carbon as a key element.
- Diamonds are made of pure carbon atoms arranged in a crystal structure.
- Plants absorb carbon from the air during photosynthesis.
- Carbon dioxide, especially when considered as a greenhouse gas released by burning fossil fuels.
- The government introduced a tax on carbon to encourage cleaner energy.
- Driving an electric car can lower your carbon footprint.
- Many companies are trying to reduce their carbon emissions to fight climate change.
- A copy made using carbon paper, or a duplicate of something.
- Before computers, secretaries made carbons of important letters.
- He kept a carbon of the contract in his filing cabinet.
- The report was so similar to the first draft it looked like a carbon.