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/ˈsfɛɹ.ɪ.kɒn/ · noun
(geometry) A solid constructed by slicing a bicone with 90-degree apices through a plane containing both of them, rotating one half by 90 degrees, and reconnecting them; the resulting shape has a single continuous face, and two edges..
Use sphericon when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Sphericon means (geometry) A solid constructed by slicing a bicone with 90-degree apices through a plane containing both of them, rotating one half by 90 degrees, and reconnecting them; the resulting shape has a single continuous face, and two edges..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use sphericon where its definition matches the intended context.
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