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Pronunciation varies by accent · noun
A polystyrene sphere, used in fishing, in science experiments, etc..
Use polyball when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Polyball means A polystyrene sphere, used in fishing, in science experiments, etc..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use polyball where its definition matches the intended context.
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