coliform bacillus: meaning, definition, pronunciation and examples
LowTechnical/Scientific
Quick answer
What does “coliform bacillus” mean?
A rod-shaped bacterium that resides in the intestines of warm-blooded animals, primarily used as an indicator of faecal contamination in water and food.
Audio
Pronunciation
Definition
Meaning and Definition
A rod-shaped bacterium that resides in the intestines of warm-blooded animals, primarily used as an indicator of faecal contamination in water and food.
A term specifically referring to bacteria of the group Escherichia coli and related genera, whose presence is a key public health measure for testing water safety and sanitation.
Dialectal Variation
British vs American Usage
Differences
No significant lexical differences. Spelling of related terms follows regional conventions (e.g., 'faecal' vs. 'fecal').
Connotations
Identical technical connotations of sanitation testing and potential health hazard.
Frequency
Equally low in general usage, but standard in public health, environmental science, and microbiology contexts in both regions.
Grammar
How to Use “coliform bacillus” in a Sentence
The [water/food] contained [a/several] coliform bacillus/bacilli.[A/The] coliform bacillus was detected in the [sample/reservoir].Scientists are testing for the presence of coliform bacilli.Vocabulary
Collocations
Examples
Examples of “coliform bacillus” in a Sentence
verb
British English
- [No standard verb form]
American English
- [No standard verb form]
adverb
British English
- [No standard adverb form]
American English
- [No standard adverb form]
adjective
British English
- The coliform-bacillus count exceeded safe limits.
- A coliform-bacillus contamination advisory was issued.
American English
- The coliform-bacillus count exceeded safe limits.
- A coliform-bacillus contamination advisory was issued.
Usage
Meaning in Context
Business
Used in reports for water utility companies, food safety audits, and environmental consulting.
Academic
Common in microbiology, public health, environmental engineering, and epidemiology research papers.
Everyday
Rarely used. Simplified to 'E. coli' or 'faecal germs' in news reports about water quality warnings.
Technical
The standard precise term in laboratory reports, sanitation standards, and regulatory documents.
Vocabulary
Synonyms of “coliform bacillus”
Strong
Neutral
Weak
Vocabulary
Antonyms of “coliform bacillus”
Watch out
Common Mistakes When Using “coliform bacillus”
- Incorrect plural: 'coliform bacilluses' (correct: 'coliform bacilli').
- Mispronunciation: stressing 'bacillus' on the second syllable (/bəˈsɪləs/, not /ˈbæsɪləs/).
- Using it as a general synonym for all harmful bacteria.
FAQ
Frequently Asked Questions
Not exactly. 'Coliform bacillus' is a broader group that includes Escherichia coli (E. coli) and other similar bacteria. All E. coli are coliform bacilli, but not all coliform bacilli are the specific E. coli species.
It serves as an 'indicator organism.' Its presence suggests faecal contamination, which means dangerous pathogens (like viruses or parasites) could also be present, making the water or food unsafe.
Most coliform bacilli are harmless inhabitants of the gut. However, certain strains, like some E. coli (e.g., O157:H7), are pathogenic and can cause severe food poisoning.
You are most likely to encounter it in official news reports or government advisories about beach closures, drinking water safety warnings, or recalls of contaminated food products.
A rod-shaped bacterium that resides in the intestines of warm-blooded animals, primarily used as an indicator of faecal contamination in water and food.
Coliform bacillus is usually technical/scientific in register.
Coliform bacillus: in British English it is pronounced /ˈkəʊlɪfɔːm bəˈsɪləs/, and in American English it is pronounced /ˈkoʊləfɔːrm bəˈsɪləs/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “[No common idioms for this specific technical term]”
Learning
Memory Aids
Mnemonic
Think: COLIform = from the COLOn + BACILLUS = rod-shaped. A rod-shaped bug from the colon.
Conceptual Metaphor
AN INDICATOR/ALARM BELL: The presence of coliform bacillus metaphorically 'rings an alarm' for potential contamination.
Practice
Quiz
What is the primary significance of detecting coliform bacillus in a water sample?