from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An asphyxiant found in enclosed places such as mines and sewers; a mixture of several gases left after oxygen is removed from the air, typically nitrogen, carbon dioxide, and water vapor.

from the GNU version of the Collaborative International Dictionary of English

  • See Carbonic acid, under carbonic.
  • n. a damp consisting principally of carbonic acid gas; -- so called from its extinguishing flame and animal life. See Carbonic acid, under Carbonic.


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