noun Biochemistry, Pharmacology.
Examples from the Web for opioid
In July, the Centers for Disease Control said more specifically that opioid painkillers kill someone every hour.No More Paper Prescriptions: Docs Fight Fraud by Going Electronic|Dale Eisinger|December 18, 2014|DAILY BEAST
With an increase in opioid prescriptions starting in the early 2000s, overdoses in the U.S. began to skyrocket.
Never deny a request for an antibiotic, an opioid pain medication, a scan, or an admission.
Opioid overdose deaths in America are now greater than heroin and cocaine combined.
Once in the system, it binds with opioid receptor cells that send endorphins shooting through the body.
British Dictionary definitions for opioid
- any of a group of substances that resemble morphine in their physiological or pharmacological effects, esp in their pain-relieving properties
- (modifier) of or relating to such substancesopioid receptor; opioid analgesic