helminthic

from WordNet (r) 3.0 (2006)

helminthic
    adj 1: capable of expelling or destroying parasitic worms [syn:
           {anthelmintic}, {anthelminthic}, {helminthic},
           {parasiticidal}]
    n 1: a medication capable of causing the evacuation of parasitic
         intestinal worms [syn: {vermifuge}, {anthelmintic},
         {anthelminthic}, {helminthic}]

from The Collaborative International Dictionary of English v.0.48

Helminthic \Hel*min"thic\, a. [Cf. F. helminthique.]
   Of or relating to worms, or Helminthes; expelling worms. --
   n. A vermifuge; an anthelmintic.
   [1913 Webster]