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- DictionaryCar·bon di·ox·ide/ˌkärbən dīˈäkˌsīd/
noun
- 1. a colorless, odorless gas produced by burning carbon and organic compounds and by respiration. It is naturally present in air (about 0.03 percent) and is absorbed by plants in photosynthesis.
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Learn the scientific and medical definitions of carbon dioxide, a heavy colorless gas that is formed by the burning and breaking down of organic substances and used in the carbonation of beverages. See examples of carbon dioxide in sentences and its word history.
Jul 10, 2024 · Carbon dioxide is a colourless gas that is one of the main greenhouse gases linked to global warming. It is formed by combustion, fermentation, and respiration, and it has many industrial and biological applications.
- The Editors of Encyclopaedia Britannica
Carbon dioxide is a chemical compound with the chemical formula CO 2. It is made up of molecules that each have one carbon atom covalently double bonded to two oxygen atoms. It is found in the gas state at room temperature, and as the source of available carbon in the carbon cycle, atmospheric CO 2 is the primary carbon source for life on Earth.
Carbon dioxide is a gas that forms when carbon is burned or when people or animals breathe out. It is a greenhouse gas that affects the climate and the environment. Learn more about its properties, uses and effects with Cambridge Dictionary.
carbon dioxide. A colorless, odorless gas that is present in the atmosphere and is formed when any fuel containing carbon is burned. It is breathed out of an animal's lungs during respiration, is produced by the decay of organic matter, and is used by plants in photosynthesis.
Feb 24, 2022 · Carbon Dioxide Definition. noun, car·bon di·ox·ide, /daɪˈɒksaɪd/ (biochemistry) An inorganic compound, with the chemical formula, CO 2, composed of two oxygen atoms linked to a single carbon atom by a covalent bond, and essential to many biochemical and biological processes.
Carbon dioxide (CO 2) is a chemical compound and is acidic. It is a gas at room temperature. It is made of one carbon and two oxygen atoms. People and most animals release carbon dioxide when they breathe out. Also, every time something organic is burnt (or a fire is made), it makes carbon dioxide. Plants use carbon dioxide to make food.
