thiobacillus: meaning, definition, pronunciation and examples
C2Technical/Scientific
Quick answer
What does “thiobacillus” mean?
A genus of rod-shaped bacteria that oxidise sulphur or sulphur compounds as an energy source, important in the sulphur cycle.
Audio
Pronunciation
Definition
Meaning and Definition
A genus of rod-shaped bacteria that oxidise sulphur or sulphur compounds as an energy source, important in the sulphur cycle.
Refers specifically to chemolithoautotrophic bacteria, typically found in soil, water, and sewage, that derive energy from oxidising inorganic sulphur compounds like hydrogen sulphide, thiosulphate, or elemental sulphur, often contributing to bioleaching and corrosion processes.
Dialectal Variation
British vs American Usage
Differences
No significant lexical differences. Spelling follows regional conventions: 'sulphur' (UK) vs. 'sulfur' (US) in related compound terms (e.g., sulphur-oxidising vs. sulfur-oxidizing).
Connotations
Identical technical connotations in both variants.
Frequency
Extremely low frequency in general discourse, exclusive to specialised scientific/technical contexts in both regions.
Grammar
How to Use “thiobacillus” in a Sentence
[Thiobacillus] + [oxidises/oxidizes] + [sulphur compound][The presence of] + [thiobacillus] + [in] + [environment][A strain of] + [thiobacillus]Vocabulary
Collocations
Examples
Examples of “thiobacillus” in a Sentence
adjective
British English
- The thiobacillar activity was measured.
- Thiobacillus-like organisms were observed.
American English
- The thiobacillary activity was measured.
- Thiobacillus-like organisms were observed.
Usage
Meaning in Context
Business
Virtually never used. Might appear in highly specialised reports for mining (bioleaching) or wastewater treatment industries.
Academic
Core term in microbiology, environmental science, and biochemistry papers discussing sulphur cycling, acid mine drainage, or microbial corrosion.
Everyday
Never used in everyday conversation.
Technical
Standard term in laboratory reports, environmental engineering, and industrial microbiology related to sulphur compound metabolism.
Vocabulary
Synonyms of “thiobacillus”
Neutral
Weak
Vocabulary
Antonyms of “thiobacillus”
Watch out
Common Mistakes When Using “thiobacillus”
- Incorrect capitalisation in non-taxonomic contexts (e.g., 'a Thiobacillus' vs. 'a thiobacillus').
- Misspelling as 'thiobacilus' (one 'l').
- Using it as a general term for any sulphur-involved bacterium, ignoring its specific taxonomic/genus definition.
FAQ
Frequently Asked Questions
Not directly pathogenic, but certain species can cause environmental and industrial problems like acid mine drainage and corrosion of infrastructure.
In environments rich in reduced sulphur compounds: soil, sewage, hydrothermal vents, and acidic mining sites.
Both oxidise sulphur, but Thiobacillus is rod-shaped and single, while Thiothrix forms filamentous chains of cells.
'Thiobacillus' (capitalised) refers specifically to the genus name in taxonomy. The lower-case 'thiobacillus' is used more generally to refer to these types of bacteria in non-taxonomic scientific writing.
A genus of rod-shaped bacteria that oxidise sulphur or sulphur compounds as an energy source, important in the sulphur cycle.
Thiobacillus is usually technical/scientific in register.
Thiobacillus: in British English it is pronounced /ˌθaɪəʊbəˈsɪləs/, and in American English it is pronounced /ˌθaɪoʊbəˈsɪləs/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think: 'Thio-' (related to sulphur) + '-bacillus' (rod-shaped). A rod-shaped bug that eats sulphur.
Conceptual Metaphor
THE SULPHUR MINER (The bacterium is conceptualised as an entity that extracts energy from sulphur, like a miner extracts valuable material from ore).
Practice
Quiz
What is the primary energy source for thiobacillus?