CO2 1
noundomain: substance
Princeton WordNet [ver.3.1]
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EnglishDefinition
a heavy odorless colorless gas formed during respiration and by the decomposition of organic substances; absorbed from the air by plants in photosynthesis
Hypernym
dioxide 1
noun
an oxide containing two atoms of oxygen in the molecule
greenhouse gas 1
noun
a gas that contributes to the greenhouse effect by absorbing infrared radiation
acidic oxide 1
noun
an oxide of a nonmetal formed when a nonmetal burns.
EnglishHyponym
chokedamp 1
noun
the atmosphere in a mine following an explosion; high in carbon dioxide and incapable of supporting life
