| The American Heritage® Dictionary of the English Language: Fourth Edition. 2000. |
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| septillion |
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| SYLLABICATION: | sep·til·lion |
| PRONUNCIATION: |  s p-t l y n |
| NOUN: | 1. The cardinal number equal to 1024. 2. Chiefly British The cardinal number equal to 1042. | | ETYMOLOGY: | French : Latin septem, seven; see septet + French -illion (as in million, million, from Old French milion; see million). | | OTHER FORMS: | sep·tillion —ADJECTIVE
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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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