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src: wikipedia
- Definition
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- petroleum :
A flammable liquid ranging in color from clear to very dark brown and black, consisting mainly of hydrocarbons, occurring naturally in deposits under the Earth's surface.
- petroleum :
# {{l|en|petroleum}}
- petroleum :
# {{lb|id|petrochemistry}} {{l|en|petroleum}}
- petroleum :
# {{lb|pl|obsolete}} {{syn of|pl|ropa naftowa}}