Definition of streptobacillus
: any of a genus (Streptobacillus) of nonmotile gram-negative rod-shaped bacteria in which the individual cells are often joined in a chain
especially
: one (S. moniliformis) that is the causative agent of one form of rat-bite fever
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Merriam-Webster unabridged
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Time Traveler for streptobacillus
The first known use of streptobacillus was in 1897
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