D defs.my
Entry 1 sense Webster, 1913

Santonin

· San·to·nin · IPA /ˈsæntənɪn/
01 n. A white crystalline substance having a bitter taste, extracted from the buds of levant wormseed and used as an anthelmintic. It occassions …
  1. 1.
    A white crystalline substance having a bitter taste, extracted from the buds of levant wormseed and used as an anthelmintic. It occassions a peculiar temporary color blindness, causing objects to appear as if seen through a yellow glass.(Chem.)