methoxsalen

[me-thok-suh-luh n]
noun Pharmacology.
  1. a potent compound, C12H8O4, derived from the seeds of the plant Ammi majus: used in combination with certain ultraviolet radiation for the treatment of severe psoriasis.

Origin of methoxsalen

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018