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Definition of ethane noun from the Oxford Advanced American Dictionary

 

ethane

 noun
noun
NAmE//ˈɛθeɪn//
 
[uncountable] (symbol C2H6) (chemistry)
 
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a gas that has no color or smell and that can burn. Ethane is found in natural gas and mineral oil.
See the Oxford Advanced Learner's Dictionary entry: ethane