Meanings
nounKoch's bacillus (plural Koch's bacilli)
plural Koch's bacilli
- historicalThe bacterium Mycobacterium tuberculosis, which causes tuberculosis.
Origin
Discovered in 1882 by Robert Koch.
Full word history & related roots →Translations
French bacille de Koch
- bacille de KochM. tuberculosis
Hungarian Koch-bacillus
- Koch-bacillusM. tuberculosis
Ukrainian па́личка Ко́ха
- па́личка Ко́ха (pályčka Kóxa)M. tuberculosis
Cite this entry
APA
Koch's bacillus. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Koch's%20bacillus
MLA
“Koch's bacillus.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Koch's%20bacillus. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “Koch's bacillus,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Koch's%20bacillus.
Source: Koch's bacillus on Wiktionary, CC BY-SA 4.0.