DICT.TW Dictionary Taiwan

 nitrous oxide 名詞
 一氧化二氮,氧化亞氮,笑氣

 Ni·trous a.
 1. Of, pertaining to, or containing, niter; of the quality of niter, or resembling it.
 2. Chem. Of, pertaining to, or designating, any one of those compounds in which nitrogen has a relatively lower valence as contrasted with nitric compounds.
 Nitrous acid Chem., a hypothetical acid of nitrogen HNO2, not known in the free state, but forming a well known series of salts, viz., the nitrites.
 Nitrous oxide. See Laughing gas.
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 nitrous oxide
      n : inhalation anesthetic used as an anesthetic in dentistry and
          surgery [syn: laughing gas]