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Related to coliform: Coliform Count
Of or relating to various gram-negative rod-shaped bacteria that ferment lactose, especially those such as E. coli that commonly inhabit the intestines of humans and other vertebrates.
(Microbiology) relating to the bacilli that are present in the intestines of humans and invertebrate animals
col•i•form(ˈkɒl əˌfɔrm, ˈkoʊ lə-)
of or pertaining to any of several bacilli, esp. Escherichia coli and members of the genus Aerobacter, normally present in the colon and indicating fecal contamination when found in a water supply.
[1850–55; < New Latin coli, genitive of Latin colum,colon colon2 (the epithet of various bacteria inhabiting the colon]