The Collaborative International Dictionary
opianine
opianine \o"pi*a*nine\, n. (Chem.)
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.
--MI11
Syn: noscapine; narcosine; opian.
Wiktionary
opianine
n. (context organic compound English) An alkaloid found in small quantities in opium, identical with narcotine.