[mass noun](Chemistry)a compound present in certain plants which is used in perfumery and (in combination with ultraviolet light) to treat psoriasis and other skin disorders (化)补骨脂素,扫若伦
A tricyclic lactone; chem. formula: C11H6O3 三环内脂,化学分子式:C11H6O3
语源
1930s: from modern Latin Psoralea (former genus name), from Greek psōraleos 'itchy' (from psōra 'itch') + the suffix -en (compare with -ene)