coliforms

listen to the pronunciation of coliforms
Английский Язык - Английский Язык
gram - rods which ferment lactose, nonsporeforming
All aerobic and facultative anaerobic, gram-negative, nonspore-forming, rod-shaped bacteria that ferment lactose with gas formation within 48 hours at 95° F (35°C)
a general term applied to some species of bacteria, especially E coli, whose presence in water is an indication of contamination
Relating to, resembling, or being the colon bacillus
plural of coliform
(Coliformes)
A group of bacteria which are used as indicator organisms in various standards of hygiene for drinking water and waste water treatment