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TOEFL BNC: 13128 COCA: 11180

methane

noun
/ˈmiːθeɪn/
/ˈmeθeɪn/
[uncountable]
(symbol CH4)
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  1. a gas without colour or smell, that burns easily and is used as fuel. Natural gas consists mainly of methane.甲烷;沼气
    Oxford Collocations DictionaryMethane is used before these nouns:
    • emission
    • gas
    See full entry
    Word Originmid 19th cent.: from methyl + -ane.
TOEFL BNC: 13128 COCA: 11180
TOEFL BNC: 13128 COCA: 11180
TOEFL BNC: 13128 COCA: 11180
methane
Gases: acetylene, ammonia, argon...

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