| The American Heritage® Dictionary of the English Language: Fourth Edition. 2000. |
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| decennium |
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| SYLLABICATION: | de·cen·ni·um |
| PRONUNCIATION: |  d -s n  - m |
| NOUN: | Inflected forms: pl. de·cen·ni·ums or de·cen·ni·a (-sn-)
A period of ten years; a decade. | | ETYMOLOGY: | Latin, from decennis, lasting for ten years : decem, ten; see dek in Appendix I + annus, year; see at- 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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