From Longman Dictionary of Contemporary EnglishRelated topics: Gas, coal, oil, Chemistrymethaneme‧thane /ˈmiːθeɪn $ ˈme-/ noun [uncountable]TPGHCa gas that you cannot see or smell, which can be burned to give heat
Methane is one of the principal gases contributing to the greenhouse effect.Examples from the Corpusmethane• But it might contribute to global warming because methane is a powerfulgreenhouse gas.• Life generatesmethane, ammonia, oxygen, hydrogen, carbondioxide, and many other gases.• To make methane, burn one weight of hydrogen with three of carbon.• He determined that the most explosivemixture of the purifiedmethane and air was in the ratio of 1:8.• Titan is unique in having a thickatmosphere made mostly of nitrogen, with some methane and possibly argon.• But the scientists were encouraged that stinkymethanestabilized after 12 days.• In recent studies, however, we have shown that methaneproduction is more important than previously believed.Originmethane(1800-1900)methyl