the root of an East Indian plant, Merremia (or Operculina) turpethum, of the morning glory family, formerly used as a purgative.
the plant itself.
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How to use turpeth in a sentence
As one grain of turpeth mineral (vitriolic calx of mercury) mixed with ten grains of fine sugar.
Dissolved in vitriolic acid, called turpeth mineral, or hydrargyrus vitriolatus.
turpeth mineral in the quantity of one grain mixed with ten grains of sugar answers every purpose to be expected from errhines.
(10 grains)—Christison; and turpeth mineral has proved fatal in doses of 2·6 grms.Poisons: Their Effects and Detection | Alexander Wynter Blyth
Ethiops mineral and turpeth mineral are given to dogs when affected by the distemper, worms, or the mange.Poisons: Their Effects and Detection | Alexander Wynter Blyth
British Dictionary definitions for turpeth
a convolvulaceous plant, Operculina turpethum, of the East Indies, having roots with purgative properties
the root of this plant or the drug obtained from it
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012