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Pronunciation varies by accent · noun
(organic chemistry) A ketone derivative of thiophene obtained as a white crystalline substance, C₄H₃S)₂.CO, by the action of aluminium chloride and carbonyl chloride on thiophene..
Use thienone when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Thienone means (organic chemistry) A ketone derivative of thiophene obtained as a white crystalline substance, C₄H₃S)₂.CO, by the action of aluminium chloride and carbonyl chloride on thiophene..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use thienone where its definition matches the intended context.
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