strophanthidin

noun
stro·​phan·​thi·​din | \ strō-ˈfan(t)-thə-dən How to pronounce strophanthidin (audio) \

Medical Definition of strophanthidin

: a very toxic crystalline steroidal gamma-lactone C23H32O6 obtained by hydrolysis of strophanthin, cymarin, and various other glycosides