¹ Source: wiktionary.com
Definition of Nonagonal
1. [adj]
Lexicographical Neighbors of Nonagonal
Literary usage of Nonagonal
Below you will find example usage of this term as found in modern and/or classical literature:
1. Exposition and Illustration in Teaching by John Adams (1910)
"It is an excellent plan to omit two of the figures, say the octagonal pyramid
and the nonagonal prism, and invite the pupils to fill up the corresponding ..."
2. A Journal of Natural Philosophy, Chemistry and the Arts by William Nicholson (1799)
"... will become nonagonal; and' there will remain no other traces of- the primitive
planes of jKe rhomboidal parallelepiped than finali ..."