The Collaborative International Dictionary
Meconidine
Meconidine \Me*con"i*dine\, n. (Chem) An alkaloid found in opium, and extracted as a yellow amorphous substance which is easily decomposed.
Wiktionary
meconidine
n. (context organic compound English) An alkaloid found in opium, extracted as a yellow amorphous substance which is easily decomposed.