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.
Compound of 汚染 (contamination) and 菌 (bacterium, fungus). The term is a straightforward technical coinage.