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Heptagonal
- 3 dictionary resultshep⋅tag⋅o⋅nal
[hep-tag-uh-nl] 
ə
–adjective
| having seven sides or angles. |
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Based on the Random House Dictionary, © Random House, Inc. 2009.
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Link To Heptagonal
hep·ta·gon (hěp'tə-gŏn')  (click for larger image in new window) n. A polygon having seven sides. [Latin heptagōnon, from Greek heptagōnos, having seven angles : hepta-, hepta- + -gōnos, angled; see -gon.] hep·tag'o·nal (-tāg'ə-nəl) adj. |
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Heptagonal
Hep*tag"o*nal\, a. [Cf. F. heptagonal.] Having seven angles or sides. Heptagonal numbers (Arith.), the numbers of the series 1, 7, 18, 34, 55, etc., being figurate numbers formed by adding successively the terms of the arithmetical series 1, 6, 11, 16, 21, etc.
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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