diplococcus A genus of spherical or ovoid, nonmotile, Gram-positive (see Gram's stain) bacteria, so named because diplococci occur in pairs. Pneumonia, meningitis, and gonorrhea are caused by types of diplococcus bacteria. Related category • MICROBIOLOGY Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) |