arnicin

== English == === Etymology === Arnica +‎ -in === Noun === arnicin (uncountable) (organic chemistry) A bitter resin that is an active principle of wolfsbane (Arnica montana). ==== Related terms ==== arnicine ==== Translations ==== === References === “arnicin”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.