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n. - An Egyptian polymath (born in Iraq) whose research in geometry and optics was influential into the 17th century.

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Usage examples (37)
  • Ibn al-Haytham, in Latin Alhazen, who lived ca. 354
  • Alhazen, Opticae thesaurus libri septem, trans. from the
  • Alhazen,” for in those days little was known except through the Arabs.
  • The author of the best medieval work on optics, which influenced Witelo and Kepler, Alhazen was also
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