WordReference Random House Unabridged Dictionary of American English © 2026
pneu•mo•ba•cil•lus
(no̅o̅′mō bə sil′əs, nyo̅o̅′-),USA pronunciation n., pl. -cil•li
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(-sil′ī).USA pronunciation
- Microbiologya bacterium, Klebsiella pneumoniae, causing a type of pneumonia and associated with certain other diseases, esp. of the respiratory tract.
- Neo-Latin; see pneumo-, bacillus