Meaning | An oxide containing two atoms of oxygen in the molecule. |
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Narrower | carbon dioxide, CO2, carbonic acid gas | A heavy odorless colorless gas formed during respiration and by the decomposition of organic substances |
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chlorine dioxide | An explosive gas (ClO2) used chiefly in bleaching paper or starch or soap or flour and in water purification |
nitrogen dioxide | A highly poisonous brown gas (NO2) |
sulfur dioxide, sulphur dioxide | A colorless toxic gas (SO2) that occurs in the gases from volcanoes |
Broader | oxide | Any compound of oxygen with another element or a radical |
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Spanish | bióxido, dióxido |
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Catalan | biòxid, diòxid |
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