n. A poisonous alkaloid obtained from the root hellebore
(Veratrum) and from sabadilla seeds as a white crystalline powder,
having an acrid, burning taste. It is sometimes used externally, as in
ointments, in the local treatment of neuralgia and rheumatism. Called
also veratria, and veratrina.
[化]藜芦碱类, 藜芦碱