The Collaborative International Dictionary of English v.0.48:
parasiticidal \par`a*sit`i*cid"al\ adj. Capable of destroying parasites, especially capable of expelling or destroying parasitic worms. Syn: anthelmintic, anthelminthic, helminthic. [WordNet 1.5 +PJC]WordNet (r) 3.0 (2006):
parasiticidal adj 1: capable of expelling or destroying parasitic worms [syn: anthelmintic, anthelminthic, helminthic, parasiticidal]