| The American Heritage® Dictionary of the English Language: Fourth Edition. 2000. |
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| duad |
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| SYLLABICATION: | du·ad |
| PRONUNCIATION: | d  d , dy - |
| NOUN: | A unit of two objects; a pair. | | ETYMOLOGY: | Greek duas, duad-, two, from duo. See dwo- in Appendix I.
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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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