D defs.my
Entry 1 sense Webster, 1913

Meconinic

· Mec·o·nin·ic · IPA
01 a. Pertaining to, or designating, an acid which occurs in opium, and which may be obtained by oxidizing narcotine.
  1. 1.
    Pertaining to, or designating, an acid which occurs in opium, and which may be obtained by oxidizing narcotine.(Chem.)