1. a hormone produced in the brain that causes contractions of the uterus during childbirth and stimulates the release of milk during breastfeeding
Usage: medical; biochemistry
2. a hormone associated with social bonding, trust, and emotional attachment
Usage: psychology; informal

Examples

• The doctor administered oxytocin to help induce labor.
• Oxytocin levels rise during breastfeeding.
• Research shows that oxytocin plays a role in forming emotional bonds.
• The hormone oxytocin is sometimes called the ‘love hormone.’
• Oxytocin is naturally produced by the pituitary gland.
• Studies suggest oxytocin may help reduce stress and anxiety.