See also zoology.helminthology the branch of zoology that studies worms, especially parasitic worms. —helminthologist, n. —helminthologic, helminthologieal, adj. helminthophobia an abnormal fear of being infested with worms. scoleciphobia an abnormal fear of worms. scolecology a study of worms. sericulture the breeding and raising of silk worms for the production of silk. —sericulturist, n. —sericultural, adj. taeniacide, teniacide an agent or preparation for killing tapeworms. —taeniacidal, teniacidal, adj. vermeology Rare. helminthology. —vermeologist, n. vermicide a substance for killing worms, especially intestinal worms, in animals or humans. Cf. vermifuge. vermiculation motion similar to that of a worm. See also motion; ornamentation. vermifuge a drug for expelling worms from the intestinal tract. Cf. vermicide. —vermifuge, adj. vermination the state or process of being infested with worms or vermin. vermiphobia an abnormal fear of worms.