dioxide

Noun
  1. An oxide containing two atoms of oxygen in the molecule (synset 114860297)
    is a type of: oxide - any compound of oxygen with another element or a radical
    subtypes:
    • nitrogen dioxide - a highly poisonous brown gas (NO2)
    • carbon dioxide, carbonic acid gas, co2 - a heavy odorless colorless gas formed during respiration and by the decomposition of organic substances; absorbed from the air by plants in photosynthesis
    • chlorine dioxide - an explosive gas (ClO2) used chiefly in bleaching paper or starch or soap or flour and in water purification
    • sulfur dioxide, sulphur dioxide - 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

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