Definition of polygonal in English:

polygonal

adjective

Geometry
  • See polygon

    • ‘It is possible to minimize flatness variations in polygon facets by carefully mounting the polygonal mirror to the spindle.’
    • ‘The chambers are usually square, rectangular, or polygonal in plan and often show structural compartmentalization with side cells opening from the main chamber.’
    • ‘Most cells were polygonal and mononuclear in form with ovoid nuclei, occasionally showing clefting.’
    • ‘The opening between adjacent cells is trapezoidal or polygonal.’
    • ‘Architecturally they incorporate the low roofs, polygonal towers and shallow, semicircular domes of the Byzantine mode.’

Pronunciation

polygonal

/pəˈlɪɡ(ə)n(ə)l/