actinobacillus

noun
ac·​ti·​no·​ba·​cil·​lus | \-bə-ˈsil-əs \

Medical Definition of actinobacillus 

1 capitalized : a genus of aerobic gram-negative parasitic bacteria of the family Pasteurellaceae forming filaments resembling streptobacilli — see actinobacillosis

2 plural actinobacilli\-​ˌī \ : a bacterium of the genus Actinobacillus

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