Turpeth
Pronunciation : Tur"peth
Part of Speech : n.
Etymology : [NL. turpethum, fr. Per. tirbid a cathartic, turbad a purgative root. Cf. Turbith.] [Written also turbeth, and turbith.]
Definition : 1. (Bot.)
Defn: The root of Ipomoea Turpethum, a plant of Ceylon, Malabar, and Australia, formerly used in medicine as a purgative; -- sometimes called vegetable turpeth.
2. (Chem.)
Defn: A heavy yellow powder, Hg3O2SO4, which consists of a basic mercuric sulphate; -- called also turpeth mineral.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder