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heptagonal
3 dictionary results for: Heptagonal
Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
American Heritage Dictionary - Cite This Source - Share This
hep·ta·gon
 (hěp'tə-gŏn') Pronunciation Key
(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. |
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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Webster's Revised Unabridged Dictionary - Cite This Source - Share This
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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