noun
an Egyptian polymath (born in Iraq) whose research in geometry and optics was influential into the 17th century; established experiments as the norm of proof in physics (died in 1040)
• Syn: ↑Alhazen, ↑Alhacen, ↑Ibn al-Haytham, ↑Al-Hasan ibn al-Haytham
• Instance Hypernyms: ↑mathematician, ↑physicist, ↑astronomer, ↑uranologist, ↑stargazer
Useful english dictionary. 2012.