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1. (n.) pneumococcus
a bacterium, Streptococcus (Diplococcus) pneumoniae, that invades the respiratory tract and is a major cause of pneumonia.
Etymology: (1885–90; < NL; see pneumo -, -coccus)
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| Definition of 'pneumococcus' |
Princeton's WordNet |
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1. (noun) pneumococcus, Diplococcus pneumoniae
bacterium causing pneumonia in mice and humans
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| Definition of 'pneumococcus' |
Webster Dictionary |
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1. (noun) pneumococcus
a form of micrococcus found in the sputum (and elsewhere) of persons suffering with pneumonia, and thought to be the cause of this disease
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