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1. Oxygen Definition & Meaning - Merriam-Webster
Link: https://www.merriam-webster.com/dictionary/oxygen
Description: WEBThe meaning of OXYGEN is a chemical element with atomic number 8 that constitutes 21 percent of the Earth's atmosphere, that is capable of combining with all elements except some noble gases, that is active in physiological processes of almost all known organisms, and that is involved especially in combustion —often used before another noun.
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2. OXYGEN Definition & Meaning | Dictionary.com
Link: https://www.dictionary.com/browse/oxygen
Description: WEBOxygen definition: a colorless, odorless, gaseous element constituting about one-fifth of the volume of the atmosphere and present in a combined state in nature. It is the supporter of combustion in air and was the standard of atomic, combining, and molecular weights until 1961, when carbon 12 became the new standard.
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3. OXYGEN | English meaning - Cambridge Dictionary
Link: https://dictionary.cambridge.org/dictionary/english/oxygen
Description: WEBnoun [ U ] us / ˈɑk·sɪ·dʒən / Add to word list. biology, chemistry. a colorless gas, one of the chemical elements, that forms a large part of the air on earth and is needed to keep …
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4. Oxygen | Discovery, Symbol, Properties, Uses, & Facts
Link: https://www.britannica.com/science/oxygen
Description: WEBMar 21, 2024 · Oxygen is a colourless, odourless, tasteless gas essential to living organisms, being taken up by animals, which convert it to carbon dioxide; plants, in turn, utilize carbon dioxide as a source of carbon and return the oxygen to the atmosphere.
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5. OXYGEN | definition in the Cambridge English Dictionary
Link: https://dictionary.cambridge.org/us/dictionary/english/oxygen
Description: WEBus / ˈɑːk.sɪ.dʒən / uk / ˈɒk.sɪ.dʒən / ( symbol O) Add to word list Add to word list. B2. a chemical element that is a gas with no smell or color. Oxygen forms a large part of the …
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6. Oxygen - Wikipedia
Link: https://en.wikipedia.org/wiki/Oxygen
Description: WEBOxygen is the most abundant chemical element by mass in the Earth's biosphere, air, sea and land. Oxygen is the third most abundant chemical element in the universe, after hydrogen and helium. About 0.9% of the Sun's mass is oxygen.
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7. Oxygen - Simple English Wikipedia, the free encyclopedia
Link: https://simple.wikipedia.org/wiki/Oxygen
Description: WEBBeginning. Oxygen is a chemical element. It has the symbol O and atomic number 8. It is the third most common element in the universe, after hydrogen and helium. Oxygen is more than a fifth of the Earth's atmosphere by volume. In the air, two oxygen atoms usually join to make dioxygen ( O. 2 ), a colourless gas.
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8. OXYGEN Definition & Usage Examples | Dictionary.com
Link: https://www.dictionary.com/browse/%20oxygen
Description: WEBOxygen definition: a colorless, odorless, gaseous element constituting about one-fifth of the volume of the atmosphere and present in a combined state in nature. It is the supporter of combustion in air and was the standard of atomic, combining, and molecular weights until 1961, when carbon 12 became the new standard.
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9. oxygen noun - Definition, pictures, pronunciation and usage notes
Link: https://www.oxfordlearnersdictionaries.com/definition/english/oxygen_1
Description: WEBOxygen is a gas that is present in air and water and is necessary for people, animals and plants to live. The patient didn't seem to be getting enough oxygen.
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10. OXYGEN | meaning - Cambridge Learner's Dictionary
Link: https://dictionary.cambridge.org/dictionary/learner-english/oxygen
Description: WEBOXYGEN definition: a gas that is in the air and that animals need to live (formula O). Learn more.