Definitions for: Pneumococcus

[n] bacterium causing pneumonia in mice and humans

Webster (1913) Definition: Pneu`mo*coc"cus, n. [See Pneumo-, and
Coccus.] (Biol.)
A form of micrococcus found in the sputum (and elsewhere) of
persons suffering with pneumonia, and thought to be the cause
of this disease.

Synonyms: Diplococcus pneumoniae

See Also: diplococcus