|part of speech:
||a medicine with undisclosed ingredients, advertised without proof as an effective cure; quack remedy.
William Radam's "Microbe Killer," a nostrum sold in the 1890s, made the claim, "Cures all Diseases."
||a favorite but unproven scheme or theory, offered as a remedy for social or political problems; panacea.
Conservatives regard the idea that government can solve social problems as a liberal nostrum.