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'''Gas''' is one of the states of [[matter]], in which the [[molecule]]s move about unconstrained by each other and will expand into any available space. Any such fluid used as an anesthetic, as nitrous oxide; any such combustible fluid used as fuel.<ref>http://dictionary.reference.com/browse/gas</ref>

'''Gas''' is one of the states of [[matter]], in which the [[molecule]]s move about unconstrained by each other and will expand into any available space. Any such fluid used as an anesthetic, as nitrous oxide; any such combustible fluid used as fuel.<ref>http://dictionary.reference.com/browse/gas</ref>

 

Gas is also short for [[gasoline]]; a volatile, flammable liquid mixture of hydrocarbons, obtained from petroleum, and used as fuel for internal-combustion engines, as a solvent, etc.<ref>http://dictionary.reference.com/browse/gasoline</ref>

Gas is also short for [[gasoline]]; a volatile, flammable liquid mixture of hydrocarbons, obtained from petroleum, and used as fuel for internal-combustion engines, as a solvent, etc.<ref>http://dictionary.reference.com/browse/gasoline</ref>