D defs.my
Entry 1 sense Webster, 1913

opianine

· o·pi·a·nine · IPA
01 n. An alkaloid (C22H23NO7) found in small quantity in opium. It is identical with narcotine. It is present in amounts up to 11% in Papaver s…
  1. 1.
    An alkaloid (C22H23NO7) found in small quantity in opium. It is identical with narcotine. It is present in amounts up to 11% in Papaver somniferum, and is used clinically as an antitussive.(Chem.) Also: narcotine