Having a shape or structure resembling a hill or mound; relating to bacteria like E. coli that are rod-shaped.
From Latin 'collis' (hill) plus '-form' (Latin 'forma,' meaning 'shape'), or from 'coli' (relating to E. coli bacteria) plus '-form'.
In microbiology, 'colliform' bacteria include E. coli and other rod-shaped microorganisms—their name actually reveals their shape, which scientists can see using powerful microscopes!
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