What is the X in X-mas?
(from Greek chriein, "to anoint"), in Eastern Christianity, sacrament that, together with baptism, introduces new members into the church. It is the Eastern equivalent of confirmation in the West. A priest anoints the forehead, eyes, nostrils, mouth, ears, breast, hands, and feet of the newly baptized with chrism (myron), a mixture of olive oil and balsam that is confected by the primates of the local churches, and says at each anointing, "The seal of the gift of the Holy Spirit." The sacrament may also be administered to certain non-Orthodox Christians whose baptisms are recognized as valid when they are admitted into Orthodoxy and to lapsed Orthodox when they are readmitted to the church