tubercle bacillus

noun

Definition of tubercle bacillus

: a bacterium (Mycobacterium tuberculosis) that is a major cause of tuberculosis

First Known Use of tubercle bacillus

1882, in the meaning defined above

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The first known use of tubercle bacillus was in 1882

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Dictionary Entries Near tubercle bacillus

tubercle

tubercle bacillus

tubercled

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Cite this Entry

“Tubercle bacillus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tubercle%20bacillus. Accessed 19 Oct. 2021.

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More Definitions for tubercle bacillus

tubercle bacillus

noun

Medical Definition of tubercle bacillus

: a bacterium of the genus Mycobacterium (M. tuberculosis) that causes tuberculosis in humans also : a related mycobacterium (M. bovis) that causes tuberculosis in cattle and sometimes humans especially in underdeveloped countries

More from Merriam-Webster on tubercle bacillus

Britannica.com: Encyclopedia article about tubercle bacillus

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