| The American Heritage® Dictionary of the English Language: Fourth Edition. 2000. |
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| armillary sphere |
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| SYLLABICATION: | ar·mil·lar·y sphere |
| PRONUNCIATION: |  är m -l r  , är-m l-r |
| NOUN: | An old astronomical model with solid rings, all circles of a single sphere, used to display relationships among the principal celestial circles. | | ETYMOLOGY: | Translation of French sphère armillaire, from Latin armilla, bracelet, from armus, shoulder. See ar- 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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