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nonagonal

Spanish, adjective/nonaɡoˈnal/

nonagonal is a Spanish feminine adjective meaning “nonagonal” (English Wiktionary, September 2026). The Spanish Wiktionary (Wikcionario) defines it as “Con forma de nonágono, por tener nueve lados y nueve ángulos, o similar a él”.

What does nonagonal mean in English?

adjective

  1. 1

    femininemasculinenonagonal

Source: English Wiktionary, Spanish section, dump of September 2, 2026 (CC BY-SA 4.0).

How Spanish dictionaries define it

adjective: 1. Con forma de nonágono, por tener nueve lados y nueve ángulos, o similar a él. 2. Se dice de un número figurado que puede representarse como un nonágono. 3. Se dice de un torneo deportivo entre nueve equipos o competidores.

The definition in the Spanish Wiktionary (Wikcionario), in Spanish.

Source: Spanish Wiktionary (Wikcionario), dump of September 1, 2026 (CC BY-SA 4.0), through kaikki.org.

Forms of nonagonal

  • nonagonales feminine masculine plural

Source: English Wiktionary and Spanish Wiktionary (Wikcionario) (dumps of September 2, 2026 and September 1, 2026).

How do you pronounce nonagonal?

  • /nonaɡoˈnal/
  • [no.na.ɣ̞oˈnal]
  • [nonaɣ̞oˈnal]

Sources: English Wiktionary, Spanish Wiktionary (Wikcionario) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.