carbon dioxide definition

  • noun:
    • A colorless, odorless, incombustible gas, CO2, formed during respiration, combustion, and natural decomposition and found in meals refrigeration, carbonated drinks, inert atmospheres, fire extinguishers, and aerosols. Also referred to as carbonic acid gas.
    • the standard oxide of carbon, CO2; a colorless, odorless fuel formed during respiration and burning and consumed by flowers during photosynthesis.
    • See under Carbonic.
    • See carbonic-acid, under Carbonic.
    • a heavy odorless colorless fuel created during respiration and by the decomposition of natural substances; consumed from the environment by flowers in photosynthesis

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