alprostadil
noun
al·pros·ta·dil al-ˈprä-stə-dil 
: a prostaglandin C20H34O5 that promotes vasodilation and is used especially to treat erectile dysfunction
Word History
Etymology
al- (of uncertain origin) + prosta(glan)d(in) + -il, alteration of -yl
First Known Use
1981, in the meaning defined above
Medical Definition
alprostadil
noun
al·pros·ta·dil al-ˈpräs-tə-dil
: a vasodilating prostaglandin C20H34O5 that is used especially to treat erectile dysfunction and is administered by injection or is inserted into the urethral opening in the form of a very small suppository
called also prostaglandin E1