nos·trum /ˈnɑstrəm/
 萬能藥,成藥,妙方
 nos·trum /ˈnɑstrəm/ 名詞
 祕方,專利藥品
 Nos·trum n.; pl. Nostrums
 1. A medicine, the ingredients of which are kept secret for the purpose of restricting the profits of sale to the inventor or proprietor; a quack medicine.
 2. Any scheme or device proposed by a quack.
    The incentives of agitators, the arts of impostors and the nostrums of quacks.   --Brougham.
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 nostrum
      n 1: hypothetical remedy for all ills or diseases; once sought by
           the alchemists [syn: panacea, cure-all]
      2: patent medicine whose efficacy is questionable