vinˈblaˌstēn, -_stə̇n noun
( -s )
Etymology: contraction of vincaleukoblastine (herein)
: an alkaloid C 46 H 58 N 4 O 9 from the Madagascar periwinkle used especially in the form of its sulfate to treat human neoplastic diseases (as Hodgkin's disease and testicular carcinoma)