Definition of 'carbon dioxide'

Word Frequency

carbon dioxide

uncountable noun

Carbon dioxide is a gas. It is produced by animals and people breathing out, and by chemical reactions.

Word Frequency

carbon dioxide in British

noun

a colourless odourless 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. Formula: CO2

Also called: carbonic-acid gas

Word Frequency

carbon dioxide in American

a colorless, odorless, incombustible gas, CO2, somewhat heavier than air, that is a product of respiration and combustion: produced commercially and used widely in fire extinguishers, carbonated beverages, etc.: in photosynthesis, carbon dioxide and water are absorbed by plants, which synthesize certain carbohydrates and release oxygen into the air

Word Frequency

carbon dioxide in the Pharmaceutical Industry

(kɑrbən daɪɒksaɪd)

noun

(Pharmaceutical: Administration)

Carbon dioxide is a colorless, odorless gas formed during respiration, the decomposition and combustion of organic compounds, and in the reaction of acids with carbonates.

Carbon monoxide burns in the air with a blue flame, forming carbon dioxide.

Carbon dioxide formed during respiration is excreted by the lungs.

Carbon dioxide is a colorless, odorless gas formed during respiration, the decomposition and combustion of organic compounds, and in the reaction of acids with carbonates.

Example sentences containing 'carbon dioxide'

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This would allow them to absorb more carbon dioxide and boost yields. The Sun (2016)It's the same way with the atmosphere and carbon dioxide. Smithsonian Mag (2017)Though diesel vehicles are a health hazard, they produce less carbon dioxide than petrol vehicles. Times, Sunday Times (2016)The bubbles form due to dissolved carbon dioxide, which are produced during fermentation inside the bottles. Times, Sunday Times (2016)They are usually found in bedrooms, lured by our body heat and carbon dioxide from our breath. Times, Sunday Times (2016)The move was intended to reduce greenhouse gases, but although diesels produce less carbon dioxide they emit nitrogen dioxide. Times, Sunday Times (2016)Carbon dioxide isn't actually flammable, but in large enough quantities it will kill you. Times, Sunday Times (2017)Plants clean the very air we breathe, trapping pollutants, taking in carbon dioxide and releasing oxygen. The Sun (2017)These plants soak up large quantities of carbon dioxide from the atmosphere. Times, Sunday Times (2015)The industry produces nearly three per cent of carbon dioxide gas worldwide. The Sun (2009)The abdomen is blown up with carbon dioxide so that space exists between your pelvic organs. Westcott, Patsy Alternative Health Care for Women (1991)He suggested that carbon dioxide in the atmosphere formed a heat trap. Radford, Tim & Leggett, Jeremy The Crisis of Life on Earth - our legacy from the second millenium (1990)It was basically a device for pumping carbon dioxide gas into a liquid to make it bubbly. Times, Sunday Times (2011)It is the recovery of the dogs from their ordeal that identifies the gas as carbon dioxide. Richard Fortey THE EARTH: An Intimate History (2004)It is is a more potent gas than carbon dioxide. The Sun (2010)As it produces no carbon dioxide, road tax is zero. Times, Sunday Times (2010)Once in the shale bed, the carbon dioxide stays there. Times, Sunday Times (2012)Once carbon dioxide gets into the atmosphere, it stays there for an extremely long time. Christianity Today (2000)As more carbon dioxide enters the atmosphere, at least a third dissolves into the oceans. Times, Sunday Times (2010)Baking It acts as a raising agent by releasing carbon dioxide. Times, Sunday Times (2008)The biological carbon cycle is comparatively quick and intense; carbon dioxide from the atmosphere and ocean is fixed by plants in photosynthesis. Oliver Morton Eating the Sun: How Plants Power the Planet (2007)Green spaces will release oxygen and capture carbon dioxide, improving local air quality and offsetting the city's carbon footprint. Times, Sunday Times (2008)The 2,300 tonnes a day of captured carbon dioxide are 99 per cent pure and are used to enhance recovery of oil near by. Times, Sunday Times (2015)In fact, the area around icebergs doubles the amount of carbon dioxide captured and sunk, compared with other areas of the sea. Times, Sunday Times (2012)