A substance or liquid which is believed to cure all ills and give eternal life.
A sweet flavored liquid (usually containing a small amount of alcohol) used in compounding medicines to be taken by mouth in order to mask an unpleasant taste.
A liquid which converts lead to gold.
The alleged cure for all ailments; cure-all, panacea.
A toxic or poisonous substance.
Capable of causing damage or dysfunction by toxicity; (broadly) poisonous.