Definition of E. coli
: an enterobacterium (Escherichia coli) that is used in public health as an indicator of fecal pollution (as of water or food) and in medicine and genetics as a research organism and that occurs in various strains that may live as harmless inhabitants of the human lower intestine or may produce a toxin causing intestinal illness — see enterobacterium illustration
First Known Use of e. coli
E. COLI Defined for English Language Learners
Definition of E. coli for English Language Learners
: a kind of bacteria that is sometimes in food and water and that can make people sick
Seen and Heard
What made you want to look up E. coli? Please tell us where you read or heard it (including the quote, if possible).