| pyocyanase | (noun) a yellow-green mixture of antibiotics obtained from the bacillus of green pus | - |
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| pyocyanin | (noun) a toxic blue crystalline antibiotic found in green pus | - |
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| pyogenic | (adjective) producing pus | - |
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| pyorrhea | (noun) discharge of pus | Synonyms: pyorrhoea |
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| (noun) chronic periodontitis; purulent inflammation of the teeth sockets | Synonyms: pyorrhea alveolaris, pyorrhoea, Riggs' disease |
| pyorrhoea | (noun) discharge of pus | Synonyms: pyorrhea |
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| (noun) chronic periodontitis; purulent inflammation of the teeth sockets | Synonyms: pyorrhea, pyorrhea alveolaris, Riggs' disease |