noun
a dark oil consisting mainly of hydrocarbons
• Hypernyms: ↑oil, ↑fossil fuel
• Hyponyms: ↑residual oil, ↑resid
• Substance Meronyms: ↑carbon, ↑C, ↑atomic number 6
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nounUseful english dictionary. 2012.
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nounUseful english dictionary. 2012.