¹ Source: wiktionary.com
Definition of Enneagons
1. enneagon [n] - See also: enneagon
Lexicographical Neighbors of Enneagons
Literary usage of Enneagons
Below you will find example usage of this term as found in modern and/or classical literature:
1. Theoretic Arithmetic, in Three Books: Containing the Substance of All that by Thomas Taylor (1816)
"For in the generation of octagons five terms are omitted; but in that of enneagons,
six terms. And in short, the number of omissions continually increasing ..."
2. The Elements of a New Arithmetical Notation: And of a New Arithmetic of by Thomas Taylor (1823)
"... 1+8 + 21+40, ^c-; 1—3+3—1 the series of enneagons, 1+9 + 24 + 46, &c.; and
1_3+3_1 the infinite series of ..."
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