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Pronunciation varies by accent · noun
(organic chemistry) Any heterohelicene containing at least one sulfur heteroatom.
Use thiahelicene when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Thiahelicene means (organic chemistry) Any heterohelicene containing at least one sulfur heteroatom.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use thiahelicene where its definition matches the intended context.
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