[colon bacillus] n (ca. 1909): any of various bacilli (esp. genera Escherichia and Aerobacter) that are normally commensal in vertebrate intestines; esp: one (E. coli) used extensively in genetic research
COLON BACILLUS
Meaning of COLON BACILLUS in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012