Search Result for "alhacen": 
Wordnet 3.0

NOUN (1)

1. 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, al-Haytham, Ibn al-Haytham, Al-Hasan ibn al-Haytham]



WordNet (r) 3.0 (2006):

Alhacen
    n 1: 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, al-Haytham,
         Ibn al-Haytham, Al-Hasan ibn al-Haytham]