n.
1.a blood group antigen possessed by Rh-positive people
2.a white hard metallic element that is one of the platinum group and is found in platinum ores
3.any of several hormones produced in the hypothalamus and carried by a vein to the anterior pituitary gland where they stimulate the release of anterior pituitary hormones
Idiom of the Day
take (someone) into one's confidence
to tell a secret to someone and trust that person to keep the secret
The bank manager took the customer into his confidence and told him about the banking problems.