noun
opium
OH-pee-uhm/ˈəʊpiəm/
A narcotic drug made from the milky sap of the opium poppy.
The museum specimen of opium lies beside a poppy capsule and flower.

Etymology
The plant-juice root and diminutive formed a Greek name specifically for poppy juice. The drug takes its name from that juice, thickened for medicinal use.
In context
Dried poppy latex contains two kinds of opium alkaloids. One type that includes morphine, codeine, and thebaine acts on the central nervous system. These alkaloids are powerful pain relieving narcotics