[1] : The Collaborative International Dictionary of English v.0.48

santonin \san"tonin\, n. l. herba santonica, a kind of plant,
   fr. santoni a people of aquitania; cf. gr. ?: cf. f.
   santonine. chem.
   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.
   1913 webster

Santonin >> S Words
Santonin, definition of term: Santonin
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