dioxide
English Thesaurus
1. an oxide containing two atoms of oxygen in the molecule (noun.substance)
| hypernym | : | oxide, |
| definition | : | any compound of oxygen with another element or a radical (noun.substance) |
| hyponym | : | nitrogen dioxide, |
| definition | : | a highly poisonous brown gas (NO2) (noun.substance) |
| hyponym | : | carbon dioxide, carbonic acid gas, co2, |
| definition | : | a heavy odorless colorless gas formed during respiration and by the decomposition of organic substances; absorbed from the air by plants in photosynthesis (noun.substance) |
| hyponym | : | chlorine dioxide, |
| definition | : | an explosive gas (ClO2) used chiefly in bleaching paper or starch or soap or flour and in water purification (noun.substance) |
| hyponym | : | sulfur dioxide, sulphur dioxide, |
| definition | : | a colorless toxic gas (SO2) that occurs in the gases from volcanoes; used in many manufacturing processes and present in industrial emissions; causes acid rain (noun.substance) |
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