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.
BRAND NAME: Pitocin. DRUG CLASS AND MECHANISM: Oxytocin is a protein produced by the pituitary gland of mammals including man. Pitocin is a man-made version of oxytocin used for stimulating contraction of the uterus.Oxytocin works by increasing the concentration of calcium inside muscle cells that control contraction of the uterus.Increased calcium increases contraction of the uterus.The FDA approved oxytocin in November 1980.itocin is a man-made version of oxytocin used for stimulating contraction of the uterus. Oxytocin works by increasing the concentration of calcium inside muscle cells that control contraction of the uterus. Increased calcium increases contraction of the uterus. The FDA approved oxytocin in November 1980.