- denoting the alphabet used by many Slavic peoples, chiefly those with a historical allegiance to the Orthodox Church. Ultimately derived from Greek uncials, it is now used for Russian, Bulgarian, Serbian, Ukrainian, and some other Slavic languages.西里尔字母的（主要由历史上皈依于东正教的斯拉夫民族使用, 源自希腊安色尔字母, 现用于俄语、保加利亚语、塞尔维亚语、乌克兰语和某些其他斯拉夫语）。
词源
early 19th cent.: named after St Cyril （see CYRIL， ST）.