santonin

noun Chemistry.

1. a crystalline compound, C15H18O3, the active principle of santonica.

noun

1. a white crystalline soluble substance extracted from the dried flower heads of santonica and used in medicine as an anthelmintic. Formula: C 15 H 18 O 3

n.

1. A colorless crystalline compound obtained from species of wormwood and used as an anthelmintic.