coliform
coliform |ˈkɒlɪfɔːm | ▶adjective Biology belonging to a group of rod-shaped bacteria typified by E. coli. ORIGIN early 20th cent.: from modern Latin coli ‘of the colon ’ + -iform .
coliform bacterium
col i form bac te ri um |ˈkōləˌfôrm, ˈkäl -ˌkoʊləfɔrm ˌbækˈtɪriəm | ▶adjective a rod-shaped bacterium, esp. Escherichia coli and members of the genus Aerobacter, found in the intestinal tract of humans and other animals. Its presence in water indicates fecal contamination and can cause diarrhea and other dysenteric symptoms. Also called colon bacillus. ORIGIN early 20th cent.: from modern Latin coli, specific epithet in the sense ‘of the colon ’ + -iform + bacterium .