Meconin(n.) 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.
Meconinic(a.) Pertaining to, or designating, an acid which occurs in opium, and which may be obtained by oxidizing narcotine.

Words within meconins