the scientific study of poisons
NAmE//ˌtɑksɪkəˈlɑdʒɪkl//
adjective NAmE//ˌtɑksɪˈkɑlədʒɪst//
nounSee toxicology in the Oxford Advanced Learner's DictionaryCheck pronunciation: toxicology
Definition of toxicology noun from the Oxford Advanced American Dictionary