| The American Heritage® Dictionary of the English Language: Fourth Edition. 2000. |
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| undouble |
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| SYLLABICATION: | un·dou·ble |
| PRONUNCIATION: | n-d b l |
| TRANSITIVE VERB: | Inflected forms: un·dou·bled, un·dou·bling, un·dou·bles To unfold, as a piece of paper money.
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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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