Chemical compound having two oxygen atoms and one carbon atom(covalently bonded). It exists as a gas at standard atm pressure.and temperature in Earth's atmosphere in this state. CO? is a trace gas comprising 0.039% of the atmosphere. Colorless, odorless, incombustible gas present in the atmosphere and formed during respiration, the decomposition and combustion of organic compounds, and in the reaction of acids with carbonates: used in carbonated drinks, fire extinguishers, and as dry ice for refrigeration. For commercial use it is available as a liquid under high pressure in steel cylinders, as a low temperature liquid at lower pressures, and as the solid dry ice.

CARBON DIOXIDE: "Carbon dioxide levels are higher than at any point since the Industrial Revolution began."

Link to This Definition

Did you find this definition of CARBON DIOXIDE helpful? You can share it by copying the code below and adding it to your blog or web page.
Edited and fact checked by Pam: Google +