E. coli is a bacterium name used in biology and medicine, commonly written with “E” for Escherichia and “Coli” for coli. It denotes a genus and species and is typically pronounced with the initial letter-name followed by a two-syllable species epithet, often used in clinical and lab contexts. In everyday language, it’s treated as a two-part proper noun and pronounced with standard English stress patterns.
Full pronunciation guide
