Elixir

e-liks′ėr, n. more fully, Elixir vitæ , or Elixir of life , a liquor once supposed to have the power of indefinitely prolonging life or of transmuting metals: the quinte ence of anything: a substance which invigorates: ( med. ) a compound tincture. [Low L.,—Ar. al-iksīr , the philosopher's stone, from al- , the, iksīr , prob. from Late Gr. xērion , a desiccative powder for wounds—Gr. xēros , dry.]