ˌthīəˈzōləˌdēn, -zäl-, -_də̇n noun
( -s )
Etymology: International Scientific Vocabulary thiazole + -idine
: a basic liquid saturated heterocyclic compound C 3 H 7 NS whose ring is present in the structure of penicillin; tetrahydro-thiazole ; also : any of various derivatives of it