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Pronunciation varies by accent · noun
(organic chemistry) An experimental high explosive based on the cubane molecule and closely related to octanitrocubane..
Use heptanitrocubane when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Heptanitrocubane means (organic chemistry) An experimental high explosive based on the cubane molecule and closely related to octanitrocubane..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use heptanitrocubane where its definition matches the intended context.
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