1. a crystalline alkaloid derived from opium, used medicinally as a cough suppressant and sedative
Usage: pharmaceutical; technical

Examples

• Narceine was isolated from opium in the 19th century.
• The pharmaceutical company studied narceine’s potential as a cough medicine.
• Narceine has sedative properties similar to other opium alkaloids.
• Researchers compared the effectiveness of narceine to codeine.
• The chemist extracted narceine from the opium poppy plant.