noun[mass noun] Medicine
A skin infection with formation of pus.
- As the authors note, pyoderma and chronic ear disease have remained intractably high in children for decades.
- The patient had rheumatoid arthritis, a condition associated with pyoderma gangrenosum.
- Excoriations and pyoderma also may be present.
1930s: from Greek puo- (from puon 'pus') + derma 'skin'.
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