carbon

boron${\displaystyle \longleftarrow }$ 6 ${\displaystyle \longrightarrow }$nitrogen

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Carbon

Pronunciation

• (US) enPR: kärʹbən, IPA ^(key): /ˈkɑrbən/
• (UK) IPA ^(key): /ˈkɑːbən/

• Audio (US)

  (file)

• Hyphenation: car‧bon

Noun

Singular carbon

Plural carbons

1. (uncountable) The chemical element (symbol C) with an atomic number of 6.
2. (countable); (informal) A piece of carbon paper.

   Make sure the carbon is facing the second sheet of paper, before rolling it into the typewriter.

3. (countable); (informal) A carbon copy.
4. A fossil fuel that is made of impure carbon, such as coal or charcoal.
5. (uncountable); (ecology) Carbon dioxide, when talking about global warming and climate change.

   A carbon footprint is a figure that measures how much carbon dioxide an activity adds to the atmosphere.