co2
English Thesaurus
1. 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)
| hypernym | : | dioxide, |
| definition | : | an oxide containing two atoms of oxygen in the molecule (noun.substance) |
| hyponym | : | blackdamp, chokedamp, |
| definition | : | the atmosphere in a mine following an explosion; high in carbon dioxide and incapable of supporting life (noun.substance) |
| derivation | : | carbonate, |
| definition | : | treat with carbon dioxide (verb.change) |
| derivation | : | carbonate, |
| definition | : | treat with carbon dioxide (verb.change) |
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