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coliform
This term is primarily used in microbiology and environmental science to describe a specific group of bacteria. While it can function as an adjective to describe the type of bacteria, it is frequently used as a noun in laboratory reports and water quality assessments to refer to the bacteria themselves.
In a practical sense, the term is often used as a proxy for safety. Because coliforms are ubiquitous in nature but also characteristic of intestinal tracts, their detection in drinking water or food serves as a critical indicator of potential fecal contamination and the possible presence of more dangerous pathogens.
Meanings
Examples
The lab technician identified several coliform bacteria in the sample.
High levels of coliform in the well water suggest a leak in the septic system.
We need to test the reservoir for any presence of coliform.
The report indicates that the coliform count exceeds the safety limit.
Coliform organisms are used as indicators of sanitary quality.
I wonder if the runoff from the farm increased the coliform levels in the creek.
The city issued a boil water advisory after detecting coliform in the main line.