Angelic acid

from The Collaborative International Dictionary of English v.0.48
Angelic \An*gel"ic\, a. [From {Angelica}.] (Chem.)
   Of or derived from angelica; as, angelic acid; angelic ether.
   [1913 Webster]

   {Angelic acid}, an acid obtained from angelica and some other
      plants.
      [1913 Webster]
    

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