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(Science: chemistry) 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.

Synonym: veratria, and veratrina.

Origin: Cf. F. Veratrine. See Veratrum.