sewage gas: meaning, definition, pronunciation and examples
LowTechnical/Formal
Quick answer
What does “sewage gas” mean?
A mixture of gases produced by the anaerobic decomposition of organic matter in sewage.
Audio
Pronunciation
Definition
Meaning and Definition
A mixture of gases produced by the anaerobic decomposition of organic matter in sewage.
A flammable and potentially hazardous gas mixture, primarily composed of methane, carbon dioxide, and hydrogen sulfide, generated in sewers, septic tanks, and wastewater treatment facilities.
Dialectal Variation
British vs American Usage
Differences
No significant lexical differences. Both varieties use the same compound noun.
Connotations
Identical technical and hazardous connotations in both varieties.
Frequency
Equally low frequency in both varieties, confined to specialist fields.
Grammar
How to Use “sewage gas” in a Sentence
[sewage gas] + verb (e.g., accumulates, builds up, escapes)verb + [sewage gas] (e.g., produce, vent, monitor)preposition + [sewage gas] (e.g., risk from, danger of)Vocabulary
Collocations
Examples
Examples of “sewage gas” in a Sentence
verb
British English
- The tanks will sewage-gas if not vented properly. (rare/technical)
American English
- The lagoon began to sewage-gas over the summer. (rare/technical)
adjective
British English
- The sewage-gas odour was overwhelming. (hyphenated attributive use)
American English
- A sewage-gas detection system was installed. (hyphenated attributive use)
Usage
Meaning in Context
Business
Discussed in waste management company reports regarding safety and energy recovery.
Academic
Used in environmental science, engineering, and public health papers.
Everyday
Rarely used; might appear in news reports about sewer explosions.
Technical
Standard term in sanitary engineering, wastewater treatment, and occupational safety guidelines.
Vocabulary
Synonyms of “sewage gas”
Strong
Neutral
Weak
Vocabulary
Antonyms of “sewage gas”
Watch out
Common Mistakes When Using “sewage gas”
- Using it as a countable noun (e.g., 'a sewage gas'). It is generally non-count. Confusing it with 'natural gas' or 'landfill gas', which are similar but from different sources.
FAQ
Frequently Asked Questions
Sewage gas is a type of biogas. Biogas is a general term for gas from organic decay, while sewage gas specifies the source as wastewater.
Yes. The methane in sewage gas can be captured and burned to generate heat or electricity in a process called waste-to-energy.
It is dangerous because it is flammable (due to methane), can displace oxygen causing suffocation, and contains toxic hydrogen sulfide.
It is found in sewer systems, septic tanks, settling tanks, and any enclosed space where sewage decomposes without oxygen.
A mixture of gases produced by the anaerobic decomposition of organic matter in sewage.
Sewage gas is usually technical/formal in register.
Sewage gas: in British English it is pronounced /ˈsuːɪdʒ ɡæs/, and in American English it is pronounced /ˈsuːɪdʒ ɡæs/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “None”
Learning
Memory Aids
Mnemonic
Think: SEWAGE (wastewater) + GAS (like methane). It's the gas that comes from rotting sewage.
Conceptual Metaphor
WASTE IS A (POTENTIALLY DANGEROUS) RESOURCE.
Practice
Quiz
What is the primary hazardous component of sewage gas?