coliform
/kəˈlɪfɔrm/Definitions
1. adjective
Relating to, or containing, coliform bacteria, especially those that can be used as indicators of fecal contamination in water and food.
“The water test revealed coliform bacteria, indicating the need for further purification.”
2. noun
A bacterium belonging to the genus Escherichia, especially E. coli, which is commonly found in the intestines of animals and humans.
“The scientist isolated a coliform bacterium from the contaminated sample.”