| The American Heritage® Dictionary of the English Language: Fourth Edition. 2000. |
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| septum |
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| SYLLABICATION: | sep·tum |
| PRONUNCIATION: |  s p t m |
| NOUN: | Inflected forms: pl. sep·ta (-t)
A thin partition or membrane that divides two cavities or soft masses of tissue in an organism: the nasal septum; the atrial septum of the heart. | | ETYMOLOGY: | New Latin s ptum, from Latin saeptum, partition, from neuter past participle of saep re, to enclose, from saeps, fence.
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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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