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.
By Wikipedia ~ 8 min read. Pages: 1 2 All. Oxytocin (Greek, âquick birthâ) is a mammalian hormone that also acts as a neurotransmitter in the brain. In humans, oxytocin is thought to be released during hugging, touching, and orgasm in both sexes.In the brain, oxytocin is involved in social recognition and bonding, and may be involved in the formation of trust between people and generosity.[1][2][3].n humans, oxytocin is thought to be released during hugging, touching, and orgasm in both sexes.