liquefied natural gas

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liquefied natural gas:

see under natural gasnatural gas,
natural mixture of gaseous hydrocarbons found issuing from the ground or obtained from specially driven wells. The composition of natural gas varies in different localities.
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liquefied natural gas

[′lik·wə‚fīd ′nach·rəl ¦gas]
(materials)
A product of natural gas which consists primarily of methanes; its critical temperature is about -100°F (-73°C), and thus it must be liquefied by cooling to cryogenic temperatures and must be well insulated to be held in the liquid state; used as a domestic fuel. Abbreviated LNG.

Liquefied natural gas (LNG)

A product of natural gas which consists primarily of methane. Its properties are those of liquid methane, slightly modified by minor constituents. One property which differentiates liquefied natural gas (LNG) from liquefied petroleum gas (LPG) is the low critical temperature, about -100°F (-73°C). This means that natural gas cannot be liquefied at ordinary temperatures simply by increasing the pressure, as is the case with LPG; instead, natural gas must be cooled to cryogenic temperatures to be liquefied and must be well insulated to be held in the liquid state. See Liquefaction of gases

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