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The Divine Liturgy

We have not completed study aids for Eastern Church Catholics or the Divine Liturgy. However, some of the following websites and definitions may be helpful.

These short definitions are provided for some key terms and phrases commonly used within Eastern Catholic Churches.

  • Divine Liturgy — Refers to the Eucharistic celebration, what Roman Catholics call the "Mass".
  • Sacred Mysteries — Refers to the Seven Sacraments
  • Great Fast — Refers to the period of Preparation before Easter, what Roman Catholic call "Lent".
  • Nativity Fast — Refers to the period of Preparation before Christmas, what Roman Catholic call "Advent", but fasting for 40 days instead of four weeks.
  • Chrismation — Refers to the Sacrament of Confirmation. In the Eastern Church all three sacraments of initiation are given at once.
  • Anaphora — Refers to prayers associated with the Consecration, what Roman Catholic call "Eucharistic Prayers" or "The Roman Canon".
  • Iconostasis — This is the name of the screen in Eastern Churches behind the communion rail that separates the altar from the congregation.
  • Intinction — Refers to the Eastern rite practice of mixing of the consecrated bread and wine together before offering it in communion.
  • Horologion — This term, meaning 'Book of Hours' is the primary prayer book for Liturgy of the Hours in the Eastern rites.
  • Octoechos — This term, meaning 'Eight Tones' refers to the method of composing religious chants and hymns in Eastern services.
  • Theotokion — Marian hymn chanted during Eastern liturgical services.
  • Filioque — Term describing the relationship between the persons of the Trinity that became a theological point of contention between Eastern and Western churches (largely to provide theological cover for intractable political disputes).
  • Dormition — Term meaning 'Falling asleep' that is used in the Eastern Church to refer to the Assumption of Mary.
  • Trisagion — Important prayer of praise in the Eastern services, somewhat similar to the "Sanctus". Its name means "Thrice Holy".
  • Porskomide —This term refers to the Liturgy of preparation in the eastern services, similar to the Roman "Offertory". It also refers to the altar on which the gifts are prepared.

These websites describe the Doctrine, Liturgy, History, and organization of the Orothdox Church in the Americas. It is a non-Catholic source, but well organized and informative.