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co·li·ba·cil·la·ry | \ ˌkō-lə-ˈbas-ə-ˌler-ē 
, -bə-ˈsil-ə-rē \
, -bə-ˈsil-ə-rē \Medical Definition of colibacillary
: of, relating to, or caused by the colon bacillus
colibacillary infection
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