| The American Heritage® Dictionary of the English Language: Fourth Edition. 2000. |
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| pentagon |
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| SYLLABICATION: | pen·ta·gon |
| PRONUNCIATION: |  p n t -g n |
| NOUN: | 1. A polygon having five sides and five interior angles. 2. Pentagon The United States military establishment. Used with the. | | ETYMOLOGY: | Late Latin pentag num, from Greek pentagnon : penta-, penta- + -gnon, -gon. | | OTHER FORMS: | pen·tago·nal (pn-t g-nl) —ADJECTIVE
pen·tago·nal·ly —ADVERB
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| The American Heritage® Dictionary of the English Language, Fourth Edition. Copyright © 2000 by Houghton Mifflin Company. Published by the Houghton Mifflin Company. All rights reserved. |
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