methane


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Related to methane: natural gas, methanol

methane

 [meth´ān]
an inflammable, explosive gas from decomposition of organic matter.

meth·ane

(meth'ān),
CH4; an odorless gas produced by the decomposition of organic matter; explosive when mixed with 7 or 8 volumes of air, constituting then the firedamp in coal mines.
Synonym(s): marsh gas

methane

/meth·ane/ (meth´ān) an inflammable, explosive gas, CH4, from decomposition of organic matter.
Methane.

methane

(mĕth′ān′)
n.
An odorless, colorless, flammable gas, CH4, the major constituent of natural gas, that is used as a fuel and is an important source of hydrogen and a wide variety of organic compounds.

methane (CH4)

[meth′ān]
a simple hydrocarbon in the form of colorless gas, produced by the anaerobic decomposition of organic matter. It occurs naturally in the gas from oil wells and coal mines.

methane

A simple organic compound—CH4—which is a gas at room temperature.

Pronunciation 
Medspeak-UK: pronounced, MEE thane
Medspeak-US: pronounced, MEH thane

METHANE

One of two mnemonics (the other is CHALET) used in the context of a major incident (mass disaster) for the information that the first ambulance staff to arrive on the scene should relay to the Emergency Operations Centre.

METHANE
Major incident declared (or hospitals to stand by).
Exact location of the incident, with map references if possible.
Type of incident, with brief details of types and numbers of vehicles, trains, buildings, aircraft, etc.
Hazards, present and potential.
Access routes and suitable provisional rendezvous points.
Numbers of approximate priority 1, 2 and 3 patients, dead and injured.
Emergency services present and required including local authorities.

meth·ane

(meth'ān)
An odorless gas produced by the decomposition of organic matter; explosive when mixed with 7 or 8 volumes of air, constituting in such cases the firedamp in coal mines.

methane

CH4; an inflammable, explosive gas from decomposition of organic matter. Large amounts are produced in the rumen. Attempts have been made to use the output from slurry pits to heat the animal accommodation in the building overhead.
References in periodicals archive ?
The records reveal a modest rise in methane during the Mediaeval Warm Period (1000-1300 AD), then a small dip during the Little Ice Age (1550-1800 AD).
The cracks expose open Arctic seawater, allowing the ocean to interact with the air, and methane in the surface waters to escape into the atmosphere.
Testing indicates that one detector, found at the longwall face, went from no alarm to an "over range" alarm for methane and carbon monoxide in less than 15 seconds near 3 pm.
Shakhova notes that Earth's geological record indicates that atmospheric methane concentrations have varied between about .
The European Space Agency's orbiting Mars Express had previously found hints of methane, but the craft's spectrometer isn't sensitive enough to make a definitive measurement, says Jack Mustard of Brown University in Providence, R.
The Arctic now has warmed to such an extent, however, that some permafrost and methane hydrate deposits already are beginning to thaw.
As part of this effort, SoCalGas today published an interactive map on its website that allows the public to view methane indications and non-hazardous gas leaks located near its pipeline system.
The role of methane as a driver of global warming is even more critical than this 40 percent value might indicate, Howarth notes.
This study demonstrates tools that can be utilized for investigations of natural and anthropogenic methane emissions while also informing us to the performance expected from the next generation remote sensing instruments currently being designed at JPL," said Andrew Aubrey, project manager at JPL.
What my research found was that certain spices contain properties which make the digestive process more efficient so producing less waste - in this case, methane.
Methane levels have largely stopped increasing in the last 10 years.
At each location, the amount of methane fluctuated throughout the year.