MECONIN
Etymology
Noun
meconin (uncountable)
(chemistry) A substance regarded as an anhydride of meconinic acid, found in opium.
Usage notes
• Also erroneously called meconina, meconia, etc, as though an alkaloid.
Anagrams
• Comneni
Source: Wiktionary
Mec"o*nin, n. Etym: [Cf. F. méconine.] (Chem.)
Definition: A substance regarded as an anhydride of meconinic acid,
existing in opium and extracted as a white crystalline substance.
Also erroneously called meconina, meconia, etc., as though it were an
alkaloid.
Source: Webster’s Unabridged Dictionary 1913 Edition