This glossary of Eastern Orthodox Church provides definitions of terms related to Eastern Orthodox Church, with links to full articles where available.

Alexandrian rite

System of liturgical practices found in Egyptian and Ethiopian Christian churches. It is historically associated with St. Mark the Evangelist, who is believed to have traveled to Alexandria.

antiminsion

(also antimension) In Eastern Orthodoxy, the portable altar that consists of a silk or linen cloth decorated with scenes from the Passion and containing relics. Its use began around the beginning of the 9th century.

Coptic Orthodoxy

National Christian church of predominantly Muslim Egypt. Egyptians before the Arab conquest of the 7th century identified themselves and their language as Aigyptios in Greek (Westernized as Copt) and later when Egyptian Muslims stopped calling themselves Aigyptioi, the term became the distinctive name of the Christian minority. Since the 5th century these Christians have been Monophysites, meaning that they acknowledge only one nature in Christ.