Sorry, no definitions found. Check out and contribute to the discussion of this word!


Sorry, no etymologies found.


  • If taken internally, it must be diluted with water; arnica contains the toxin helenalin and is poisonous if consumed in large quantities.

    NYT > Home Page

  • A special ingredient in Arnica - helenalin is relieving pain, inflammation, assists normal healing processes in skin.

    American Chronicle


Log in or sign up to get involved in the conversation. It's quick and easy.