Definition of mycobacterium
: any of a genus (Mycobacterium) of nonmotile aerobic acid-fast bacteria that include numerous saprophytes and the pathogens causing tuberculosis and leprosy
mycobacterialplay \-ē-əl\ adjective
Recent Examples of mycobacterium from the Web
Tests found mycobacterium and the agency ordered the clinic to stop using water and to replace its water delivery system.
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Origin and Etymology of mycobacterium
First Known Use: 1909See Words from the same year
Medical Definition of mycobacterium
1 capitalized : a genus of nonmotile acid-fast aerobic bacteria of the family Mycobacteriaceae that are usually slender and difficult to stain and that include the causative agents of tuberculosis (M. tuberculosis) and leprosy (M. leprae) as well as numerous purely saprophytic forms
2plural mycobacteria \-ē-ə\play : any bacterium of the genus Mycobacterium or a closely related genus
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Britannica.com: Encyclopedia article about mycobacterium
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