1. The oldest known Slavonic alphabet, created by Saint Cyril around AD 862-863; it was soon replaced by the Cyrillic alphabet
   - Glagolitic

Encyclopedia: Glagolitic alphabet

• oswego tea
• Otaheite arrowroot
• Otaheite arrowroot starch
• otalgia
• Otaria
• Otaria Byronia
• Otariidae
• otc
• OTC market
• OTC security
• OTC stock
• Othello
• other
• other half
• other than
• otherness
• others
• otherwise
• otherworld
• otherworldliness
• otherworldly
• Othman I
• Otho
• Otho I
• Otho of Lagery