thiabendazole

[thī′ə-bĕndə-zōl′]
n.
  1. A white compound used as an antifungal agent and as an anthelmintic; it is effective against a broad spectrum of infectious agents.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.