单词：al-haytham 

名词

• 
  [1.n.al-haytham] (同义词:[Alhazen]  [Alhacen]  [al-Haytham]  [Ibn_al-Haytham]  [Al-Hasan_ibn_al-Haytham]  )
• 
  注释列句：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)
• 实 例 -> [mathematician( n. 数学家 )]  [physicist( n. 物理学者, 唯物论者 )]  [astronomer( n. 天文学家 )]