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meth•ane



Pronunciation: (meth'ān; Brit.mē'thān), [key]
—n. Chem.
a colorless, odorless, flammable gas, CH4, the main constituent of marsh gas and the firedamp of coal mines, obtained commercially from natural gas: the first member of the methane, or alkane, series of hydrocarbons.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

methanationmethanogen
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