| The American Heritage® Dictionary of the English Language: Fourth Edition. 2000. |
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| acapnia |
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| SYLLABICATION: | a·cap·ni·a |
| PRONUNCIATION: |   -k p n - |
| NOUN: | A condition marked by an unusually low concentration of carbon dioxide in the blood and tissues. | | ETYMOLOGY: | New Latin, from Latin acapnos, without smoke (which contains carbon dioxide), from Greek akapnos : a-, not; see a–1 + kapnos, smoke.
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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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