colon bacillus

noun

Word History

First Known Use

1893, in the meaning defined above

Time Traveler
The first known use of colon bacillus was in 1893

Dictionary Entries Near colon bacillus

Cite this Entry

“Colon bacillus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/colon%20bacillus. Accessed 22 May. 2024.

Medical Definition

colon bacillus

noun
: any of several bacilli especially of the genus Escherichia that are normally commensal in vertebrate intestines
especially : e. coli
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