noun
coliform count; total coliform
Technical term used in food safety, water quality, and environmental testing to indicate the number of coliform bacteria present.
この水の大腸菌群数は基準値を下回っている。
The coliform count of this water is below the standard value.
Refers to the coliform bacteria themselves, while 大腸菌群数 is the count or number of such bacteria.
Compound of 大腸菌群 (coliform bacteria group) and 数 (number, count).