Nonagonal.
Nonagenarian, nonagon, nonagesimal, nonagonal.
The word is, surprisingly, "nonagon".
Nonagon is the appropriate word for a nine sided plane figure
nonagon is one good word
A nonagon is polygon with nine sides. Architectural objects with a shape of a nonagon are the U.S. Steel Tower and the Temples of Baha'i Faith. The logo for the band, "Slipknot" is a version of a nonagon.
A nine-sided object is known as a nonagon.
it is called a nonagon.
For the word' object' , do you mean a 2-dimensional shape, or a 3-dimensional solid. 2-dimensional ; is a nonagon 3-dimensional ; is a nonahedron.
nonaligned?
November
There are a few other words that relate to a nonagon. A nonagon is a nine-sided polygon with 140 degree angles. Other words that relate to it include geometry, enneagon, and nine.
hex! think!