contaminant bacteria; contaminating microorganism
Technical term used in microbiology, food safety, and environmental contexts to refer to bacteria or fungi that contaminate a sample, product, or environment.
Contaminant bacteria were detected in the food.
In the laboratory, it is necessary to prevent the introduction of contaminating microorganisms.
細菌 means bacteria in general, whereas 汚染菌 emphasizes the role of bacteria as contaminants.
Compound of 汚染 (contamination) and 菌 (bacterium, fungus). The term is a straightforward technical coinage.