1. A liquid that is thought to cure all disorders and give eternal life: In alchemy, the elixir of life is a substance which when drunk was supposed to bring immortality or at least to prolong one's life.

An elixir is a substance or medicine believed to have the power to cure all ailments.
2. In pharmacy, a sweetened, aromatic solution of alcohol and water containing, or used as a vehicle for, medicinal substances: The elixir Jane swallowed was good to take away the unpleasant taste of the medicine.
3. An alchemic preparation formerly believed to be capable of transmuting base metals into gold: Mike read about an elixir that was supposed to convert lead into gold!
4. The quintessence or absolute embodiment of anything: An elixir can be an underlying principle.
5.Etymology: from Arabic al-iksir, probably from late Greek xerion, "powder for drying wounds", from Greek xeros, "dry."