/di serr"pi deen'/ , n. Pharm.
a purified alkaloid derived from rauwolfia, C 32 H 38 N 2 O 8 , used as an antihypertensive in mild cases of essential hypertension and also as a major tranquilizer for the symptomatic relief of agitated psychotic states.
[ perh. D(I)- 1 + (R)ESERP(INE) + -idine suffix of derivative compounds ]