A vermifuge or anthelmintic

plural of helminthagogue

Any of various infectious diseases comprising and developing from infestation with any of various parasitic worms.

One versed in helminthology.

plural of helminthologist

plural of helminthite

(geology) One of the sinuous tracks on the surfaces of many stones, popularly regarded as worm trails.

Of or relating to helminthology.

(zoology) Any snail in the family Helminthoglyptidae, now considered to be the xanthonychid subfamily Helminthoglyptinae.

plural of helminthoglyptid