[noo-muh-kok-uh s, nyoo‐]
- a bacterium, Diplococcus pneumoniae, causing lobar pneumonia and associated with certain other diseases, as pericarditis and meningitis.
Origin of pneumococcus
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for pneumococcus
The bacteria were chiefly staphylococci, rarely the pneumococcus or the micrococcus catarrhalis.The Treatment of Hay Fever
George Frederick Laidlaw
Cultivations from the heart blood gave a pure growth of a typical (capsulated) pneumococcus.The Elements of Bacteriological Technique
John William Henry Eyre
Another interesting feature about the pneumococcus is its vitality outside of the body.
Widely present as the pneumococcus is, we know well that it is powerless for harm except in unhealthful surroundings.
Recognition of the pneumococcus depends upon its morphology, the fact that it is Gram-staining, and the presence of a capsule.A Manual of Clinical Diagnosis
James Campbell Todd
- a spherical bacterium that occurs in the respiratory tract, esp the Gram-positive Diplococcus pneumoniae, which causes pneumonia
- A nonmotile, gram-positive bacterium (Streptococcus pneumoniae) that is the most common cause of bacterial pneumonia and is associated with meningitis and other infectious diseases.