Bacteridiumn.

/baktəˈrɪdɪəm/Etymology: modern Latin, < bacterium n. + Greek -ιδιον diminutive ending; compare antheridium.
the world > life > biology > organism > micro-organism > bacterium > [noun] > Bacteridium
1876 J. Van Duyn & E. C. Seguin tr. E. L. Wagner 104 Davaine found bacteridia also in two examples of malignant pustule in men.
This entry has not yet been fully updated (first published 1885; most recently modified version published online March 2021).