Alhazen's problem

proper noun

A mathematical problem in which lines drawn from two points in the plane of a circle must meet at a point on the circumference, making equal angles with the normal at that point.

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Meanings

proper noun
  1. mathematicsA mathematical problem in which lines drawn from two points in the plane of a circle must meet at a point on the circumference, making equal angles with the normal at that point.

Origin

Named for a tenth-century Arab mathematician Ibn al-Haytham, whose latinized name, Alhacen, may be rendered as Alhazen.

Full word history & related roots →

Translations

Portuguese problema de Alhazen
  • problema de Alhazenmathematical problem
Cite this entry
APA

Alhazen's problem. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Alhazen's%20problem

MLA

“Alhazen's problem.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Alhazen's%20problem. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Alhazen's problem,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Alhazen's%20problem.

Source: Alhazen's problem on Wiktionary, CC BY-SA 4.0.