| The American Heritage® Dictionary of the English Language: Fourth Edition. 2000. |
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| aphelion |
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| SYLLABICATION: | a·phe·li·on |
| PRONUNCIATION: |   -f  l-n, -flyn |
| NOUN: | Inflected forms: pl. a·phe·li·a (-l-)
The point on the orbit of a celestial body that is farthest from the sun. | | ETYMOLOGY: | From New Latin aphlium : Greek apo-, apo- + Greek hlios, sun; see s wel- 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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