An elixir (from Arabic: الإكسير - al-'iksīr) is a clear, sweet-flavored liquid used for medicinal purposes, to be taken orally and intended to cure one's ills. When used as a pharmaceutical preparation, an elixir contains at least one active ingredient designed to be taken orally.
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 hypothetical substance that the alchemists believed to be capable of changing base metals into gold
synonymous: philosopher's stone, philosophers' stone