codeine

Definition of codeine phosphate
National Cancer Institute

codeine phosphate

(KOH-deen FOS-fayt)
A drug used to treat pain, cough, and diarrhea. It is made from opium or morphine and binds to opioid receptors in the central nervous system. Codeine phosphate is a type of opiate, a type of analgesic agent, a type of antitussive agent, and a type of antidiarrheal agent.

Source: NCI Dictionary of Cancer Terms