Noun Concept
Categories: Natural gas, Fuel gas, Chinese inventions, All articles with vague or ambiguous time, All articles lacking reliable references
natural gas  gas  Environmental impact of the natural gas industry  Fossil gas  Gas-fired
A fossil fuel in the gaseous state; used for cooking and heating homes WordNet 3.0
Natural gas, is a naturally occurring hydrocarbon gas mixture consisting primarily of methane, but commonly including varying amounts of other higher alkanes, and sometimes a small percentage of carbon dioxide, nitrogen, hydrogen sulfide, or helium. Wikipedia
A form of gas, found in nature, often as a part of a reservoir of fossil fuel. Wikipedia Disambiguation
Fossil fuel Wikidata
A natural fuel containing methane and hydrocarbons that occurs in certain geologic formations. OmegaWiki
A mixture of gaseous hydrocarbons associated with petroleum deposits; mostly methane with smaller amounts of ethane, propane and butane; principally used as a fuel. Wiktionary
Mixture of gaseous hydrocarbons associated with petroleum deposits. Wiktionary (translation)