The scientist isolated an opium alkaloid that showed promising analgesic effects in preliminary trials.

Many museums have exhibits that explore the causes and consequences of the Opium Wars.

The museum's new exhibit about the Opium War drew visitors who wanted to understand the roots of modern Sino-British relations.

Research into opium alkaloids has revealed diverse pharmacological effects across species.

The physician recommended a spoonful of wine of opium to calm the child's colic.

The herbalist explained that the lettuce opium, extracted from wild lettuce, had mild sedative properties.

She drifted into an opiumlike haze after tasting the bitter tea.

The old port town had a hidden enclave where opiumists gathered to share stories and smoke beneath the lanterns.

The old opiumist sat by the canal, clutching a long clay pipe and lost in melancholy memories.