| The American Heritage® Dictionary of the English Language: Fourth Edition. 2000. |
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| pyo |
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| VARIANT FORMS: | or py |
| PREFIX: | Pus: pyogenic. | | ETYMOLOGY: | Greek puo-, from puon, pus. See p - 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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