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.
DRUG CLASS AND MECHANISM: Metoclopramide is a prokinetic drug that stimulates the muscles of the gastrointestinal tract including the muscles of the lower esophageal sphincter, stomach, and small intestine by interacting with receptors for acetylcholine and dopamine on gastrointestinal muscles and nerves.