ethane

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ethane Colourless odourless gas (CH3CH3), the second member of the alkane series of hydrocarbons. It is a minor constituent of natural gas. See also saturated compound

ethane

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eth·ane / ˈe[unvoicedth]ˌān/ • n. Chem. a colorless, odorless, flammable gas, C2H6, that is a constituent of petroleum and natural gas. It is the second member of the alkane series.