Natural gas

noun

Definitions

Noun
  1. 1
    A mixture of gaseous hydrocarbons associated with petroleum deposits; mostly methane with smaller amounts of ethane, propane and butane; principally used as a fuel. countable, uncountable

    "For a good many years, beginning in London, Brighton & South Coast days, the station at Heathfield, between Tunbridge Wells and Eastbourne, was lighted by natural gas. The use of this illuminant was discontinued about 1934."

  2. 2
    a fossil fuel in the gaseous state; used for cooking and heating homes wordnet

Etymology

By opposition to coal gas (19th century).

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