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pneumococcus

Definition of pneumococcus

noun (plural pneumococci /-ˈkɒk(s)ʌɪ, -ˈkɒk(s)iː/)

  • a bacterium associated with pneumonia and some forms of meningitis.
    • Streptococcus pneumoniae, a Gram-positive diplococcus

Derivatives

pneumococcal

adjective

pneumococcus in other Oxford dictionaries

Definition of pneumococcus in the US English dictionary