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Pronunciation varies by accent · noun
(organic chemistry) Any ketone derivative of nonenal (in which a methylene group is converted to a carbonyl group) but especially 4-oxononenal formed by oxidation of polyunsaturated fatty acids.
Use oxononenal when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Oxononenal means (organic chemistry) Any ketone derivative of nonenal (in which a methylene group is converted to a carbonyl group) but especially 4-oxononenal formed by oxidation of polyunsaturated fatty acids.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use oxononenal where its definition matches the intended context.
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