co·ry·ne·bac·te·ri·um (kôr′ə-nē-băk-tîrē-əm, kə-rĭn′ə-)
n. pl. co·ry·ne·bac·te·ri·a (-tîrē-ə)
Any of various gram-positive, rod-shaped bacteria of the genus Corynebacterium, which includes many animal and plant pathogens, such as the causative agent of diphtheria.
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