e ‧ lix ‧ ir /ɪˈlɪksə $ -ər/ BrE AmE noun
[ Date: 1300-1400 ; Language: Medieval Latin ; Origin: Arabic al-iksir 'the elixir' , probably from Greek xerion 'powder for drying wounds' , from xeros 'dry' ]
1 . [countable] literary a magical liquid that is supposed to cure people of illness, make them younger etc:
the search for the elixir of life
2 . [countable] something that is supposed to solve problems as if by magic:
The current new wave of technology should prove an economic elixir.