n.
Pronunciation: ' e-m ə -d ə n
Function: noun
Etymology: International Scientific Vocabulary emodi- (fr. New Latin Rheum emodi, species of rhubarb) + 1 -in
Date: 1858
: an orange crystalline phenolic compound C 15 H 10 O 5 that is obtained from plants (as rhubarb and cascara buckthorn) and is used as a laxative