Complex sentence: The term "Oriental Orthodoxy" is used to refer to non-Chalcedonian eastern Christians, as opposed to Christians of the Eastern Orthodox Church, who accept the Council of Chalcedon (See Ecumenical Councils) and generally worship according to the Byzantine Rite.
Split into simpler sentences: The term "Oriental Orthodoxy" is used to refer to non-Chalcedonian eastern Christians. This is in contrast to members of the Eastern Orthodox Church, who accept the Council of Chalcedon (See Ecumenical Councils) and generally worship according to the Byzantine Rite.