dihydroergotamine

[ dahy-hahy-droh-ur-got-uh-meen, -min, -ur-guh-tam-een, -in ]
/ daɪˌhaɪ droʊ ɜrˈgɒt əˌmin, -mɪn, -ˌɜr gəˈtæm in, -ɪn /

noun Pharmacology.

an ergot alkaloid, C33H37N5O5, used in the treatment of various types of migraine headache.

Origin of dihydroergotamine

First recorded in 1940–45; di-1 + hydro-2 + ergotamine