Across
- 2. A member of the Muslim dynasty
- 5. Pilgrimage made to the Kaaba
- 8. Visual art related to writing
- 9. Book that layed foundation to the influence of optics
- 11. Followers of Muhammad's example
- 13. Instrument formerly used to make astronomical measurements
- 15. An extraordinary Muslim state
- 17. Islam's holiest city
- 18. The origin of the word Algebra
Down
- 1. Formed by shia Muslims who claim descent of Fatima
- 3. The "party" of Ali
- 4. Group that rejected the luxurious life of the Ummayyads
- 6. A powerful group that took control of the empire
- 7. A great Persian philosopher
- 10. Famous polymath
- 12. Most important month in the Islamic calendar
- 14. Early astronomical device for representing the great heavens
- 16. The sacred text for Muslims