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词汇 petroleum
释义

Definition of petroleum in English:

petroleum

noun pɪˈtrəʊlɪəmpəˈtroʊliəm
mass noun
  • A liquid mixture of hydrocarbons which is present in suitable rock strata and can be extracted and refined to produce fuels including petrol, paraffin, and diesel oil; oil.

    石油,原油

    Example sentencesExamples
    • Eocene formations are important source or reservoir rocks for petroleum or gas in several parts of the world.
    • Products produced from petroleum, such as mineral oils, are classified as petrochemical pollutants.
    • Liquid paraffin is a mixture of liquid hydrocarbons obtained from petroleum.
    • Benzene is a colorless and highly flammable liquid hydrocarbon derived from petroleum.
    • Crude oil, also known as petroleum, is the world's most actively traded commodity.
    Synonyms
    lubricant, lubrication, grease

Origin

Late Middle English: from medieval Latin, from Latin petra 'rock' (from Greek) + Latin oleum 'oil'.

Rhymes

linoleum

Definition of petroleum in US English:

petroleum

nounpəˈtroʊliəmpəˈtrōlēəm
  • A liquid mixture of hydrocarbons that is present in certain rock strata and can be extracted and refined to produce fuels including gasoline, kerosene, and diesel oil; oil.

    石油,原油

    Example sentencesExamples
    • Crude oil, also known as petroleum, is the world's most actively traded commodity.
    • Benzene is a colorless and highly flammable liquid hydrocarbon derived from petroleum.
    • Products produced from petroleum, such as mineral oils, are classified as petrochemical pollutants.
    • Eocene formations are important source or reservoir rocks for petroleum or gas in several parts of the world.
    • Liquid paraffin is a mixture of liquid hydrocarbons obtained from petroleum.
    Synonyms
    lubricant, lubrication, grease

Origin

Late Middle English: from medieval Latin, from Latin petra ‘rock’ (from Greek) + Latin oleum ‘oil’.

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