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from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Any of various gram-negative, rod-shaped bacteria of the genus Proteus, certain species of which are associated with human enteritis and urinary tract infections.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of many gram-negative bacteria, of the genus Proteus, several of which are responsible for human infections.


New Latin Prōteus, genus name, from Latin, Proteus; see Proteus.
(American Heritage® Dictionary of the English Language, Fourth Edition)



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