Bacteria and Microbe

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.

Microbe and bacteria are semantically related in micro-organism topic. In some cases you can use "Microbe" instead a noun "Bacteria".

Microbe noun - A minute life form (especially a disease-causing bacterium); the term is not in technical use.

Bacteria and microbe are semantically related in micro-organism topic. You can use "Bacteria" instead a noun "Microbe".