swamp gas Definition in the Cambridge English Dictionary
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Definition of “swamp gas” - English Dictionary

Definition of "swamp gas" - British English Dictionary

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swamp gasnoun [C usually singular]

uk   us  
a ​gasproduced in a ​swamp by ​decayingplants that are ​covered by ​water: You could ​smell the ​swampgas a ​mile off.
(Definition of swamp gas from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
Translations of “swamp gas”
in Chinese (Simplified) 沼气…
in Chinese (Traditional) 沼氣…
What is the pronunciation of swamp gas?
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