Bacterium and Bacteria

Bacterium noun - (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.

Bacteria is a synonym for bacterium. In some cases you can use "Bacteria" instead a noun "Bacterium".

Nearby Word: bacterial

Bacteria noun - (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.

Bacterium is a synonym for bacteria. You can use "Bacterium" instead a noun "Bacteria".