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.
[New Latin Corynēbacterium, genus name : Greek korunē, club; see ker-1 in the Appendix of Indo-European roots + BACTERIUM.]
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Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.