What is the X in X-mas?
sister and wife of Zeus, from Greek Hera, literally "protectress," related to heros "hero," originally "defender, protector."
The Greek and Roman goddess who protected marriage; she was the wife of Zeus. Hera is best known for her jealousy and for her animosity toward the many mortal women with whom her husband fell in love. (See Judgment of Paris.)
An electron-proton collider at DESY, W. Germany.