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nitrous oxide
 
Noun nitrous oxide has 1 sense
  1. nitrous oxide, laughing gas - inhalation anesthetic used as an anesthetic in dentistry and surgery
    --1 is a kind of inhalation anesthetic, inhalation anaesthetic, inhalation general anesthetic, inhalation general anaesthetic
    --1 has substances: ammonium nitrate
nitrosobacteria nitrosomonas nitrospan nitrostat nitrous nitrous acid nitrous bacteria nitrous bacterium nitrous oxide nitschke nitta tree nittany nitted nittegaard nitty-gritty nitty gritty nitweed

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