noun. ['bækˈtɪriːəm'] (microbiology) single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission; important as pathogens and for biochemical properties; taxonomy is difficult; often considered to be plants.
- probiotic flora
- genus Calymmatobacterium
- genus Francisella
- probiotic bacterium
- pus-forming bacteria
- true bacteria
- Legionella pneumophilia
- Neisseria gonorrhoeae
- penicillin-resistant bacteria
- probiotic microflora
Words that Rhyme with Bacterium
Example sentences of the word bacterium
1. Noun, singular or mass
The rice can grow this bacterium rapidly if it is not quickly chilled after making.