corynebacterium /(?)/

co·ry·ne·bac·ter·i·um

corynebacterium

n.
  1. Any member of the genus Corynebacterium, consisting of gram-positive usually nonmotile irregularly rod-shaped bacteria, some of which are pathogenic or parasitic in humans and domestic animals, such as Corynebacterium diphtheriae, which causes diphtheria. (MIcrobiol.)