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Pronunciation varies by accent · adjective
(geology, petrology, of a rock or geologic formation) Containing or yielding petroleum..
Oil-shales are often the last relics of a former impregnation with petroleum; they are associated with phenomena—such as the intrusive asphaltites or manjacks—common to petroliferous regions, but in many cases the parent oilfields, the sources of the former impregnation, are things of the past.
Use petroliferous when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Petroliferous means (geology, petrology, of a rock or geologic formation) Containing or yielding petroleum..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Oil-shales are often the last relics of a former impregnation with petroleum; they are associated with phenomena—such as the intrusive asphaltites or manjacks—common to petroliferous regions, but in many cases the parent oilfields, the sources of the former impregnation, are things of the past.
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