The Collaborative International Dictionary
sarsaparillin
Parillin \Pa*ril"lin\, n. [Shortened fr. sarsaparillin.] (Chem.) A glucoside resembling saponin, found in the root of sarsaparilla, smilax, etc., and extracted as a bitter white crystalline substance; -- called also smilacin, sarsaparilla saponin, and sarsaparillin.
Wiktionary
sarsaparillin
n. (context organic compound English) A glucoside resembling saponin, found in the roots of sarsaparilla, smilax, etc. and extracted as a bitter white crystalline substance.