carbon dioxide

Definition:
CO₂
A gas breathed out by people and animals from the lungs or produced by burning carbon.
A heavy odorless colorless gas formed during respiration and by the decomposition of organic substances.

Use 'carbon dioxide' in a sentence:

• 1. A fire extinguisher containing carbon dioxide is mainly used for fighting electrical fires.
• 2. When held under pressure carbon dioxide dissolves in water, and it then causes bubbles on your tongue as it forms a carbonic acid as you take a gulp.
• 3. Dry ice is solid carbon dioxide.
• 4. Carbon dioxide consists of a carbon atom covalently double bonded to two oxygen atoms.
• 5. The importance of oxygen in the bloodstream is well-known, however, very few know about the importance of adequate carbon dioxide in the bloodstream.
• 6. There are both natural and human sources of carbon dioxide emissions.
• 7. Carbon dioxide is used as a refrigerant.
• 8. Carbon dioxide was recognized as a gas different from others early in the 17th century by a Belgian chemist, Jan Baptista van Helmont.
• 9. Plants and trees filter carbon dioxide out of the air and produce oxygen.
• 10. Mars has an insubstantial atmosphere, consisting almost entirely of carbon dioxide.
• 11. Plants absorb carbon dioxide from the air and moisture from the soil.