English edit

Etymology edit

enneagon +‎ -al

Adjective edit

enneagonal (not comparable)

  1. (geometry) In the form of an enneagon; having nine angles.
    enneagonal angle

References edit

Catalan edit

Etymology edit

From enneàgon +‎ -al.

Adjective edit

enneagonal m or f (masculine and feminine plural enneagonals)

  1. nonagonal