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Pronunciation varies by accent · noun
any organic matter present in a sedimentary rock that is insoluble in organic solvents; the precursor of oil and natural gas.
Use kerogen when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Kerogen means any organic matter present in a sedimentary rock that is insoluble in organic solvents; the precursor of oil and natural gas.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use kerogen where its definition matches the intended context.
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