A genus of Spherobacteria
, in the form of very small globular or oval cells, forming, by transverse division, filaments, or chains of cells, or in some cases single organisms shaped like dumb-bells (Diplococcus
), all without the power of motion. See Illust.
. [1913 Webster
" Physiologically, micrococci are divided into three groups; chromogenic, characterized by their power of forming pigment; zymogenic, including those associated with definite chemical processes; and pathogenic, those connected with disease."