Makhshirin is the eighth tractate, in the Mishnah and Tosefta, of the sixth Talmudic order Tohorot ("Purifications"). This tractate contains six chapters, divided respectively into 6, 11, 8, 10, 11, and 8 sections, while the Tosefta has only three chapters and 31 sections. It treats of the effects of liquids in rendering foods with which they may come into contact susceptible, under certain conditions, of Levitical uncleanness.
There is no Gemara, Yerushalmi or Bavli, to this treatise.