1N-COUNT [usually plural](尤指老式的或有欠缺的)解决方案;未必奏效的计策 You can refer to ideas or theories about how something should be done as nostrums, especially when you think they are old-fashioned or wrong in some way. (尤指老式的或有欠缺的)解决方案;未必奏效的计策 [formal] [Also + of]
2N-COUNT (未经科学证明有效的)灵丹妙药,神药 If you refer to a medicine as a nostrum, you mean that it is not effective or has not been tested in a proper scientific way. (未经科学证明有效的)灵丹妙药,神药
...pills, tablets, and other nostrums claiming to be magic potions.