/ Thesaurus / E Synonyms of escherichia coli Find synonyms for: Noun1. Escherichia coli, E. coli, escherichiausage: a species of bacterium normally present in intestinal tract of humans and other animals; sometimes pathogenic; can be a threat to food safetyWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: languid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language