Mithridatism

The old notion as to "mithridatism" was that an animal or a man would have to be separately prepared and ❋ Unknown (1888)

I just ran into a nice word: mithridatism, named after Mithridates VI of Pontus, the phenomenon of partial immunity to poison acquired by taking small doses. ❋ Ray Girvan (2005)

It's hard not to think of Iocane powder; but arsenic is a classic real example of a poison where mithridatism is possible, as with the (possibly exaggerated) Arsenic Eaters of Styria, 19th century Austrian peasants who habitually ate, as a tonic, normally lethal doses of arsenic. ❋ Ray Girvan (2005)

This is the case of (relative) immunization or, as it is sometimes called, of mithridatism. ❋ Unknown (1967)

One of my personal favorites in this category is mithridatism ❋ Unknown (1993)

The question of whether proper names of people and places have a rightful place in a dictionary is probably an obsolete one: their presence was formerly justified on the grounds that as "words" they are far more frequent than many of the "legitimate" words, like elytron, greave, or mithridatism. ❋ Unknown (1991)

As it is, one has to read through it to find the good stuff, which is not a thrilling prospect, notwithstanding the fact that much worthwhile material is here, though one should take it in small quantities: mithridatism The act of taking poison in increasing doses as a means of building an immunity to it, as in the case of people who start out with talk shows and gradually work their way up to situation comedies. ❋ Unknown (1984)