| A | B |
|---|
| boyar | a landowning noble of early Russia |
| clergy | persons, such as priests, given authority to conduct religious services |
| mosaic | picture made up of tiny pieces of colored glass, tile, or stone set in mortar |
| iconoclasts | an opponent of the use of icons in Byzantine churches, who thought they encouraged the worship of idols |
| monasteries | a community of men who have taken religious vows |
| illuminated manuscripts | book page decorated by hand with elaborate designs, beautiful lettering, or miniature paintings |
| missionary | person who travels to carry the ideas of a religion to others |
| schism | the division of the Christian Church in 1054 that separated the Roman Catholic Church and the Eastern Orthodox Church |
| laity | church members who are not clergy |
| czar | title taken by rulers of Russia beginning in the late 1400s |
| steppe | wide, grassy, semiarid plains of Eurasia, from the Black Sea to the Altai Mountains |
