any of a group of parasitic, spherical bacteria occurring in pairs, as the pneumococcus that causes lobar pneumonia
Any of various paired spherical bacteria, including those of the genus Diplococcus, some of which are pathogenic.
- dip′lo·coc′cal dip′lo·coc′cic
- (microbiology) A coccus that typically occurs in groups of two
diplo- + coccus