opacity(noun) the phenomenon of not permitting the passage of electromagnetic radiation. opacity, opaqueness(noun) incomprehensibility resulting from obscurity of meaning. opacity, opaqueness(noun) the quality of being opaque to a degree; the degree to which something reduces the passage of light.
â¢ OXYTOCIC DRUG (noun). The noun OXYTOCIC DRUG has 1 sense: 1. a drug that induces labor by stimulating contractions of the muscles of the uterus. Familiarity information: OXYTOCIC DRUG used as a noun is very rare. OXYTOCIC DRUG (noun). The noun OXYTOCIC DRUG has 1 sense: 1. a drug that induces labor by stimulating contractions of the muscles of the uterus. Familiarity information: OXYTOCIC DRUG used as a noun is very rare.
Analgesic. A medication that relieves pain without causing loss of consciousness. Over-the-counter analgesics include aspirin and NSAIDs. Mentioned in: Analgesics, Analgesics, Opioid, Methadone, Shiatsu, Tension Headache. a drug used to relieve pain.onsteroidal antiinflammatory analgesic (NSAIA) see under drug. opioid analgesic any of a class of compounds that bind with the opioid receptors in the central nervous system to block the perception of pain or affect the emotional response to pain, including opium and its derivatives.