What does CH4 stand for?

Methane, Natural Gas (chemistry; carbon atom surrounded by 4 hydrogen atoms)

This definition appears very rarely and is found in the following Acronym Finder categories:

Science, medicine, engineering, etc.

Other Resources:

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Christchurch Chromosome Canadian Historical Aircraft Association (also seen as CHAA; Windsor, Ontario, Canada) Cornell, Howland, Hayes & Merryfield (Englewood, CO) Formaldehyde Channel 3 (band) Methylated Bovine Serum Albumin Methyl Chloride Acetic Acid (chemistry) Curvilinear Hydrodynamics in 3 Dimensions Methanol		CH-47 (Helicopter) Flight Simulator California Health Advocates California Healthcare Association California Hospital Association (Sacramento, CA) Call Handling Agent Cambridge Housing Authority (Cambridge, MA) Canadian Healthcare Association Canadian Historical Association Canadian Hockey Association Canadian Hydrogen Association (now Canadian Hydrogen and Fuel Cell Association)

Samples in periodicals archive:

While many fuel cells require hydrogen to run, Acumentrics' fuel cells can run directly off of methane, natural gas, coal gas, propane, or biofuels, as well as hydrogen.

ACUMENTRICS FUEL CELLS SURPASS EXPECTATIONS IN DOE TEST

Centura Oil's CenJet 90[R] waterjet system can be used to stimulate any type of cased or uncased well, including coalbed methane, natural gas and oil.

Downhole Waterjet Cutting System Dramatically Increases Well ...

The 730 I-Safe is UL certified for Division 1 (where hazards are always expected to be present), Class 1 (environments with gases), Groups C (ethyl ether, ethylene, carbon monoxide, nitromethane, or similar) and D (acetone, ammonia, butane, ethanol, methane, natural gas, propane, gasoline, or similar) usage.

Intermec Technologies Introduces the 730 I-Safe Mobile Computer For ...