The mithridate he believed to be made of the same drugs as the treacle, though they ought to be very different compositions, especially in regard to opium; one seventy-fifth part of the treacle should be opium, but not a two hundred and fortieth part in mithridate.
-- Dr. B.R. Squibb, "Hydrocyanic Acid," Proceedings of the American Pharmaceutical Association, Volume 16, 1868.
Elizabeth had listened with half an ear while she tried to spoon the mithridate between Margaret's flaccid lips.
-- Anya Seton, The Winthrop Woman
Mithridate originates from the name of Mithridates VI, a legendary king who had an immunity to poisons.