| Methane (n.) A light, colorless, gaseous, inflammable hydrocarbon, CH4; marsh gas. See Gas. Thesaurus Entries alcohol, benzine, briquette, burnable, butane, carbon, charcoal, coal, coke, combustible, dope, ethane, ethanol, fireball, firing, flammable, flammable material, fuel, fuel additive, fuel dope, gas, gas carbon, gasoline, heptane, hexane, inflammable, inflammable material, isooctane, jet fuel, kerosene, methanol, natural gas, octane, oil, paraffin, peat, pentane, propane, propellant, rocket fuel, turf |