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methane
[meth-eyn, mee-theyn]
noun
a colorless, odorless, flammable gas, CH 4 , 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.
methane
A colorless, odorless, flammable gas that is the simplest hydrocarbon. It is the major constituent of natural gas and is released during the decomposition of plant or other organic compounds, as in marshes and coal mines. Methane is the first member of the alkane series. Chemical formula: CH 4 .
Word History and Origins
Origin of methane1
Example Sentences
The new plan covers all sectors of the economy and all greenhouse emissions, after China’s first Paris plan left out methane, a potent greenhouse gas.
But in 1997, his team created a stable material that could absorb and release methane, nitrogen and oxygen.
Large methane leaks not only unleash massive amounts of the greenhouse gas, but are also carry a toxic mix of air pollutants.
He said on occasion when he’s outside there’s an odor that smells like methane that comes from the refinery.
The organic waste separates into a flammable gas — made of carbon monoxide, carbon dioxide, methane and hydrogen — and a small amount of solid waste.
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